Faculty Profiles - KATO, Takeshi

Presentations -

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Significant Modulation of Interlayer Exchange Coupling in Synthetic Antiferromagnets by Ion Irradiation

H. Suzuki, T. Yamazaki, S. Sakamoto, D. Oshima, T. Kato, T. Seki

2026.3.15

Fabrication and Optical Characterization of Al Plasmonic Chiral Metasurfaces Exhibiting Broadband Reflective Circular Dichroism in the Visible Region

K, Ito, T. Kato, K. Hiramatsu, A. Motogaito

2026.3.17

Perpendicular magnetic anisotropy and damping constant of MgO/CoFe/Pt and MgO/CoFe/Pd trilayers

T. Inoue, D. Oshima, T. Kato

2026.3.6

Evaluation of defects in highly carbon-doped GaN layers by optical deep level transient spectroscopy

M. Inayoshi, A. Honda, H. Watanabe, Y. Honda, T. Kato, N. Taoka, W. Takeuchi

2026.1.29

Study on free layer materials to enhance the sensitivity of domain wall displacement type GMR sensors

A. Kawamura, K. Komuro, D. Oshima, T. Kato

2026.1.27

Layer thickness dependence of anisotropic magnetoresistance in CoPt multilayer nanowires fabricated by dual-bath electrodeposition

R. Kawana, D. Oshima, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

2026.1.28

Perpendicular Magnetic Anisotropy and Gilbert Damping of MgO/Co80Fe20/Pd Trilayers International conference

T. Inoue, D. Oshima, T. Kato

International Conference on Materials and Systems for Sustainability 2025 2025.12.13

Fabrication and structural analysis of Co-Zn-Mn thin films International conference

Y. Nakamura, D. Oshima, T. Kato

International Conference on Materials and Systems for Sustainability 2025 2025.12.13

Effect of Free Layer Coercivity in Pulse-Width-Modulation-type GMR sensors International conference

A. Kawamura, K. Komuro, D. Oshima, T. Kato

International Conference on Materials and Systems for Sustainability 2025 2025.12.13

Evaluation of structure and magnetic properties of Co-Pt multilayer nanowires fabricated by dual-bath electrodeposition International conference

R. Kawana, N. Ohguchi, D. Oshima, M. Yoshida, T. Sugiura, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

International Conference on Materials and Systems for Sustainability 2025 2025.12.13

Defect Characterization in Carbon Auto-Doped GaN by Optical and Electrical Methods International conference

A. Honda, H. Watanabe, M. Inayoshi, T. Kato, W. Takeuchi, Y. Honda

International Conference on Materials and Systems for Sustainability 2025 2025.12.13

Spin Transfer Torque Assisted Spin Orbit Torque Magnetization Switching of Perpendicularly Magnetized Co/Pd Multilayers

D. Pan, R. Yabushita, S. Ito, D. Oshima, T. Kato

2025.11.6

Reflective Plasmonic Fano Sensor Using a Double-Layer Au Diffraction-Grating Structure International conference

A. Motogaito, K. Ukai, T. Nabuchi, T. Kato, K. Hiramatsu

30th Microoptics Conference 2025.10.15

Film thickness dependence of magnetic properties of Fe-Ga-N film

Y. Mori, T. Hino, M. Jimbo, M. Naoe, N. Kobayashi, D. Oshima, T. Kato, Y. Fujiwara

The 49th Annual Conference on Magnetics in Japan 2025.9.16

Nonreciprocal Transport in Metamaterials with Broken Time-Reversal and Space-Inversion Symmetry

Y. Yamane, M. Mizuno, M. Shimozawa, M. Matsubara, A. Honda, T. Kato, K. Izawa

The Physical Soceity of Japan 2025 Annual Meeting 2025.9.18

Scaling–Driven Control of Light–Induced Spin Currents in Magnetic Metamaterials

G. Cavanna, H. Taketani, D. Oshima, D. Pan, A. Honda, T. Kato, M. Matsubara

The Physical Soceity of Japan 2025 Annual Meeting 2025.9.17

Pulse Width Modulation GMR sensors utilizing domain wall displacement technique

K. Komuro, A. Kawamura, D. Oshima, T. Kato

The 49th Annual Conference on Magnetics in Japan 2025.9.18

Field-Free Switching of perpendicularly magnetized Co/Pd synthetic　antiferromagnet

D. Pan, R. Yabushita, D. Oshima, T. Kato

The 49th Annual Conference on Magnetics in Japan 2025.9.16

Effect of Layer Thickness Gradient on Spin-Orbit Torque in Gd/FeCo Multilayers

R. Yabushita, D. Oshima, T. Kato

The 49th Annual Conference on Magnetics in Japan 2025.9.19

Composition and Layer Thickness Dependence of AMR Ratio in CoPt Multilayer Nanowires

R. Kawana, N. Ohguchi, D. Oshima, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

The 49th Annual Conference on Magnetics in Japan 2025.9.18

Fabrication and Optical Characterization of a Polarization-Selective UV-A Perfect Absorber Using Al Nanohole Array Structures

K. Narita, T. Kato, K. Hiramatsu, A. Motogaito

The 86th JSAP Autumn Meeting 2025 2025.9.8

Fabrication and Characterization of Co-Pt Multilayer Nanowires Prepared by Dual-bath Electrodeposition

R. Kawana, N. Oguchi, D. Oshima, M. Yoshida, T. Sugiura, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

The 86th JSAP Autumn Meeting 2025 2025.9.9

Evaluation of Defects in Highly Carbon-doped GaN Layers

M. Inayoshi, A. Honda, H. Watanabe, Y. Honda, T. Kato, N. Taoka, W. Takeuchi

The 86th JSAP Autumn Meeting 2025 2025.9.9

Activities and Scope for the Technical Committee on Magnetics in Addressing Challenges Invited

T. Kato

The2025 Annual Conference of Fundamentals and Materials Society IEE of Japan 2025.9.4

Fundamental Properties of PWM-Type GMR Sensors Utilizing Domain Wall Displacement Technique International conference

K. Komuro, A. Kawamura, D. Oshima, T. Kato

Joint European Magnetic Symposia 2025 2025.8.25

Fabrication of Co-Pt multilayer nanowires with controlled layer thickness prepared by dual-bath electrodeposition International conference

R. Kawana, N. Ohguchi, D. Oshima, M. Yoshida, T. Sugiura, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

The 10th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies 2025.6.12

Photocatalytic Degradation Enhancement of Rhodamin B using Magnetically Separable and Reusable MnFe2O4/rGO Nanocomposites Green-Synthesized Utilizing Plant Leaf Extract International coauthorship International conference

K. Kurnia, N. P. Rini, D. L. Puspitarum, E. K. Sari, N. I. Istiqomah, L. J. Mahardhika, T. Kato, D. Oshima, A. D. Nugraheni, E. Suharyadi

International Conference of Asian Union of Magnetics Society 2025 2025.4.24

Spin Orbit Torque in Gd/FeCo Multilayers with Layer Thickness Gradient International conference

R. Yabushita, D. Oshima, S. Takahashi, Y. Hirayama, Y. Kato, T. Kato

International Conference of Asian Union of Magnetics Society 2025 2025.4.22

Analysis of Output Signals in Domain Wall Displacement GMR Sensors with CoFeB Free layers International conference

K. Komuro, D. Oshima, T. Kato

International Conference of Asian Union of Magnetics Society 2025 2025.4.22

Fabrication and analysis of Co-Pt multilayer nanowires prepared by dual-bath electrodeposition International conference

R. Kawana, N. Ohguchi, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

International Conference of Asian Union of Magnetics Society 2025 2025.4.22

Green Synthesis of CoFe2O4/C-dots Nanocomposites Utilizing Moringa Oleifera and Watermelon Peels for Enhanced Magnetic Hyperthermia International coauthorship International conference

S. F. Azzahro, A. Jiananda, D. A. Larasati, M. Y. Darmawan, E. K. Sari, N. I. Istiqomah, D. Oshima, T. Kato, E. Suharyadi

International Conference of Asian Union of Magnetics Society 2025 2025.4.22

Spin Orbit Torque in Gd/FeCo Multilayers with layer Thickness Gradient on Ta layer

R. Yabushita, D. Oshima, T. Kato

2025.3.7

Dependence of Spin Orbit Torque in Gd/FeCo Multilayers on Their Layer Thickness Gradient

R. Yabushita, D. Oshima, T. Kato

2025.2.10

Noise Characterization of Spin-Transfer-Torque-based Magnetic Field Sensor International coauthorship International conference

K. Komuro, H. Nicolas, B. Dieny, D. Oshima, T. Kato, R. Sousa

The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag 2025.1.15

Hydrogen gas sensing using Pd coated spin-valve GMR International conference

D. Oshima, T. Kato, S. Iwata

The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag 2025.1.14

Spin Transfer Torque assisted Field-Free Spin Orbit Torque Switching in CPP-GMR with Antiferromagnetically Coupled Perpendicularly Magnetized Co/Pd Memory Layer International conference

D. Pan, D. Oshima, T. Kato

The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag 2025.1.16

Electrochemical deposition technique for formation of ultrathin layers and multilayered nano-pillars of CoPt alloys for 3D magnetic memory applications (Invited) Invited

髙村陽太，黄童雙，Md. Mahmudul Hasan，齋藤美紀子，葛西伸哉，大島大輝，加藤剛志，中川茂樹

2024.12.5

Green Synthesis of CoFe2O4/rGO Magnetic Nanocomposites Utilizing Leaf Extracts for Photodegradation of Rhodamine B International coauthorship International conference

D. A. Larasati, D. L. Puspitarum, N. I. Istiqomah, Zurnansyah, L. J. Mahardhika, P. D. Jayanti, H. P. Kusumah, N. P. Rini, D. Oshima, T. Kato, J. Partini, E. Suharyadi

The 8th International Conference on Electronic Materials and Nanotechnology for Green Environment 2024.11.25

Analysis of Signal and Noise in Domain Wall Displacement Modulation GMR sensors

K. Komuro, D. Oshima, T. Kato

2024.11.21

Optical and magnetic properties of GaN crystals varied C doping concentration International conference

A. Honda, H. Watanabe, Y. Honda, T. Kato, H. Amano

12th International Workshop on Nitride Semiconductors 2024.11.4

Fabrication and structural analysis of Co-Zn-Mn thin films

Y. Nakamura, D. Oshima, T. Kato

2024.11.2

Spin Orbit Torque Magnetization Switching of Gd/FeCo Multilayers with Layer Thickness Gradient

R. Yabushita, D. Oshima, S. Takahashi, Y. Hirayama, Y. Kato, T. Kato

2024.11.2

N composition dependence of magnetic properties of Fe-Ga-N film

T. Hino, Y. Fujiwara, M. Jimbo, M. Naoe, N. Kobayashi, D. Oshima, T. Kato

Noise Characterization of STT-based Magnetic Tunnel Junction Sensor International coauthorship

K. Komuro, H. Nicolas, B. Dieny, D. Oshima, T. Kato, R. C. Sousa

Study of hydrogen detection using magnetoresistive effect

D. Oshima, T. Kato, S. Iwata

Modification of magnetic properties by resist mask with graded thickness and uniform ion irradiation

D. Oshima, T. Kato

Fabrication and magnetic property analysis of Co-Pt alloy nanowires with multilayer structure prepared by electrodeposition in dualbath

R. Kawana, N. Ohguchi, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

An attempt to detect small vibrations using the inverse magnetostriction effect of FeSiBNb thin film

K. Maeno, Y. Kutsuna, M. Yanagida,Y. Fujiwara, M. Jimbo, D. Oshima, T. Kato

High Frequency MO Imaging of Bismuth-substituted Europium Iron Garnet

M. A. A. Masud, W. Asano, S. Hashi, T. Nishi, D. Oshima, T. Kato, K. Lee, M. Kawahara, F. Z. Chafi, M. Nishikawa, T. Ishibashi

Optical spin current conversion using magnetic toroidal moment in a polar ferromagnetic metamaterial

H. Taketani, T. Kato, M. Matsubara

Local Modification of Magnetic Properties by Ion Implantation (keynote) Invited International conference

T. Kato, D. Oshima

International Conference on Magnetism and Its Applications 2024

極性強磁性メタマテリアルにおける磁気トロイダルを用いたスピン流の生成

竹谷英久，本田杏奈，加藤剛志，松原正和

学術変革領域研究(A)「アシンメトリ量子が彩る量子物質の可視化・設計・創出」令和6年度領域全体会議・公募研究キックオフ会議

Size dependence of photocurrents in magnetic metamaterials with threefold rotational symmetry

竹谷英久，本田杏奈，加藤剛志，松原正和

学術変革領域研究(A)「アシンメトリ量子が彩る量子物質の可視化・設計・創出」令和6年度領域全体会議・公募研究キックオフ会議

Perpendicular Magnetic Anisotropy and Gilbert Damping of MgO/Co100–xFex/Pt Trilayers International conference

Y. Konishi, D. Oshima, T. Kato

Magnetics and Optics Research International Symposium 2024

Efficiency of Spin-Transfer Torque assist Spin-Orbit Torque Magnetization Switching under In-plane External Field Application International conference

D. Pan, D. Oshima, T. Kato

INTERMAG 2024 Conference

Sensitivity and Linearity of Domain Wall Displacement Modulation GMR Sensors with Closed-loop Current-field Feedback International conference

K. Komuro, D. Oshima, T. Kato

INTERMAG 2024 Conference

Lateral modulation of magnetic anisotropy in multilayer by grayscale lithography followed by ion irradiation International conference

D. Oshima, T. Kato

INTERMAG 2024 Conference

Optimized structure and magnetic properties of CoxPt1-x alloy cylindrical nanowires fabricated by electrodeposition into nanoporous polycarbonate membranes

N. Oguchi, R. Kawana, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

2024.3.22

Domain-stored skyrmion racetrack memory with intrinsic clocking function using domain walls

T. Karino, D. Shimizu, A. Ohki, D. Oshima, E. Kano, T. Kato, N. Ikarashi, M. Nagao

2024.3.23

Dependence of spin orbit torque magnetization switching on the Tb layer thickness in Tb/Gd/FeCo multilayers grown on Ta layer

Y. Yoshida, T. Kato, D. Oshima

2024.3.8

Strain sensor application of FeSiBNb film showing large Barkhausen jump International conference

K. Maeno, Y. Kutsuna, M. Yanagida, Y. Fujiwara, M. Jimbo, D. Oshima, T. Kato

ISPlasma2024/IC-PLANT2024/APSPT-13 2024.3.5

Dependence of spin orbit torque magnetization switching on film configuration in Tb/Gd/FeCo Multilayer

Y. Fujita, D. Oshima, S. Takahashi, Y. Hirayama, T. Kato

2024.1.30

Patterning of magnetic thin films combining grayscale lithography and ion irradiation

D. Oshima, T. Kato

2024.1.30

Fabrication and evaluation of physical properties of electrodeposited Co-Pt alloy nanowires for design of fabrication of multilayer Co-Pt nanowires

N. Oguchi, R. Kawana, M. Saito, T. Homma, T. Kato, T. Ono, M. Shima, K. Yamada

2024.1.30

Planar Patterning of Magnetic Materials by Ion Implantation (Invited) Invited International conference

T. Kato, D. Oshima

2024 Annual Meeting of the Physical Society of Taiwan 2024.1.25

Compensation Compositions for Magnetization and Angular Momentum in Bismuth, Gallium-substituted Europium Iron Garnet International conference

M. A. A. Masud, W. Asano, T. Nishi, D. Oshima, T. Kato, K. Lee, M. Kawahara, F. Z. Chafi, M. Nishikawa, T. Ishibashi

Material Research Meeting 2023 / International Union of Materials Research Societies - International Conference in Asia 2023 2023.12.13

Study of carbon behavior in highly carbon-doped GaN crystal International conference

A. Honda, E. Watanabe, W. Takeuchi, Y. Honda, T. Kato, H. Amano

International Conference on Materials and Systems for Sustainability 2023 2023.12.2

Reduction of Spin-Orbit Torque Switching Current in Co/Pd-based CPP-GMR by application of Spin-Transfer Torque International conference

D. Pan, Z. Cao, D. Oshima, T. Kato

International Conference on Materials and Systems for Sustainability 2023 2023.12.2

Ion implantation into magnetic thin films through the microstructured resist masks International conference

D. Oshima, T. Kato

International Conference on Materials and Systems for Sustainability 2023 2023.12.2

Perpendicular magnetic anisotropy of (001) oriented W-Cr/Fe/MgO trilayers deposited on MgO substrates International conference

Y. Yoshida, D. Oshima, H. Yoshikawa, A. Tsukamoto, T. Kato

International Conference on Materials and Systems for Sustainability 2023 2023.12.2

Control of magnetic properties in magnetic multilayers by grayscale lithography and ion irradiation

D. Oshima, T. Kato

2023.11.13

Dependence of magnetic property in Ta/Co/Pt multiyear on the sputtering gas pressure

S. Nagao, D. Oshima, T. Kato

2023.11.3

Magnetization dynamics of GdFeCo triggered by ultrashort-pulse-laser-induced spin current

E. Watanabe, K. Seguchi, D. Oshima, T. Kato

2023.11.3

Magnetization reversal induced by spin-orbit torque in perpendicularly magnetized (Mn-Cr)AlGe/W bilayer system International conference

T. Kubota, T. Kato, S. Honda, Y. Sonobe, K. Takanashi

The 68th Annual Conference on Magnetism and Magnetic Materials 2023.10.31

Fundamental properties of domain wall displacement GMR sensors with closed loop operation

K. Komuro, D. Oshima, T. Kato

2023.9.29

Compensation compositions for magnetization and angular momentum in Bi, Ga-substituted Eu garnets

W. Asano, M. A. A. Masud, T. Nishi, D. Oshima, T. Kato, K. Lee, M. Kawahara, F. Z. Chafi, M. Nishikawa, T. Ishibashi

2023.9.27

N2 partial pressure dependence of magnetic properties of Fe-Ga-N film

K. Suzuki, T. Hino, Y. Fujiwara, M. Jimbo, D. Oshima, T. Kato

2023.9.27

Strain sensor application of FeSiBNb film showing large Barkhausen jump

K. Maeno, Y. Kutsuna, M. Yanagida, Y. Fujiwara, M. Jimbo, D. Oshima, T. Kato

2023.9.27

Spin transfer torque assisted spin orbit torque switching of CPP-GMR with perpendicularly magnetized Co/Pd memory layer

D. Pan, Z. Cao, D. Oshima, T. Kato

2023.9.29

Spin Orbit Torque Magnetization Switching of Tb/Gd/FeCo Multilayers deposited on Ta layer

Y. Fujita, D. Oshima, S. Takahashi, Y. Hirayama, T. Kato

2023.9.29

Perpendicular magnetic anisotropy of W-Cr/Fe/MgO trilayer films grown on MgO(001)

Y. Yoshida, D. Oshima, H. Yoshikawa, A. Tsukamoto, T. Kato

2023.9.27

Spin- and polarity-switchable zero-bias photocurrents in a polar ferromagnetic metamaterial

H. Taketani, T. Kato, M. Matsubara

2023.9.17

Measurement of Magnetization Dynamics by Ultrafast Pulsed Laser "Measurement and Control of Magnetization Dynamics of Spintronics Materials" (Invited) Invited

T. Kato

2023.9.9

Construction and Mechanisms of a Recyclable Green-Synthesized CoFe2O4/TiO2 Nanocomposites Photocatalyst for Degradation of Organic Pollutant International coauthorship International conference

D. L. Puspitarum, N. I. Istiqomah, D. A. Larasati, A. Kusumaatmaja, H. Aliah, D. Oshima, T. Kato, E. Suharyadi

IcAUMS 2023 2023.8.14

Heavy Metal Ion Removal in an Aqueous Environment Utilizing Magnetically Separable Green Synthesized Fe3O4/Cdots Nanocomposite Adsorbents International coauthorship International conference

E. K. Sari, R. M. Tumbelaka, H. Ardiyanti, N. I. Istiqomah, Chotimah, M. Arfin, D. Oshima, T. Kato, E. Suharyadi

IcAUMS 2023 2023.8.14

Current Induced Magnetization Switching for Ultra-high Density Magnetic Random Access Memory Cells (Invited) Invited International conference

T. Kato, D. Pan, D. Oshima

International Conference on Processing & Manufacturing of Advanced Materials 2023 2023.7.3

Spin Orbit Torques Magnetization Switching in Tb/Gd/FeCo Multilayers International conference

Y. Fujita, S. Yanai, D. Oshima, S. Takahashi, Y. Hirayama, T. Kato

INTERMAG 2023 Conference 2023.5.17

Electrodeposited CoPt multilayered-nanowire for 3D memory device International conference

M. M. Hasan, T. Huang, M. Saito, Y. Takamura, D. Oshima, T. Kato, T. Homma

INTERMAG 2023 Conference 2023.5.18

Current Induced Switching of Co/Pd Memory Layer in CPP-GMR with Perpendicularly Magnetized SAF Pinned Layer International conference

D. Pan, Z. Cao, D. Oshima, T. Kato

INTERMAG 2023 Conference 2023.5.17

Fabrication of GMR Sensors with Antiphase Magnetization Modulation and Closed-loop Operation International conference

K. Komuro, D. Ohima, T. Kato

INTERMAG 2023 Conference 2023.5.16

Electric Potential-Induced Localized Surface Plasmon Resonance of Fe3O4/Ag Composite Nanoparticles International coauthorship International conference

M. Riswan, N. Adrianto, I. M. Yahya, N. I. Istiqomah, A. M. Panre, Juharni, S. Wahyuni, M. Arifin, I. Santoso, T. Kato, E. Suharyadi

INTERMAG 2023 Conference 2023.5.19

Magnetic Hyperthermia Properties of Green Synthesized CoFe2O4/ZnS Nanocomposites utilizing Moringa Oleifera Extract International coauthorship International conference

D. A. Larasati, D. L. Puspitarum, M. Y. Darmawan, N. I. Istiqomah, J. Partini, T. Kato, E. Suharyadi

INTERMAG 2023 Conference 2023.5.19

Generation of zero-bias photocurrents in a polar ferromagnetic metamaterial

H. Taketani, T. Kato, M. Matsubara

2023.3.22

Current Induced Magnetization Switching in Perpendicularly Magnetized (Mn-Cr)AlGe/W Bilayer Samples

T. Kubota, T. Kato, S. Honda, Y. Sonobe, K. Takanashi

2023.3.15

Composition Dependence of the Buffer Layer of the Magnetic Properties of the Non-equilibrium Phase Magnetic Garnet Thin Films (II)

K. Mori, T. Nishi, T. Kato, M. Kawahara, M. Nishikawa, T. Ishibashi

2023.3.16

Research on improvement gyromagnetic ratio of Bismuth-substituted magnetic garnet

W. Asano, T. Nishi, D. Oshima, T. Kato, K. Lee, M. Kawahara, M. Nishikawa, T. Ishibashi

2023.3.17

Perpendicular magnetic anisotropy of W-Cr/Fe/MgO trilayers deposited on MgO(001) substrates

Y. Yoshida, D. Oshima, T. Kato

2023.3.3

Magnetic Structures related to Skyrmion Bags and their applications in Multilayers

T. Karino, D. Shimizu, D. Oshima, T. Kato, N. Ikarashi, M. Nagao

2023.2.2

Perpendicular magnetic anisotropy in (001) oriented W-Cr/Fe/MgO trilayers

Y. Yoshida, D. Oshima, T. Kato

2023.2.2

Fundamental study of feedback-type GMR sensors using antiphase magnetization modulation

K. Komuro, D. Oshima, T. Kato

2023.2.2

Current Induced Magnetization Switching of CPP-GMR with Perpendicular Magnetized SAF Pinned Layer

D. Pan, Z. Cao, D. Oshima, T. Kato

2022.12.8

Annealing Temperature Dependence of Perpendicular Magnetic Anisotropy and Damping Constant of MgO/CoFe/Pt Trilayer Films

Y. Konishi, D. Oshima, T. Kato

2022.11.25

Characterization of EuBi2Fe5-xGaxO12 thin films by ferromagnetic resonance measurements

W. Asano, T. Nishi, D. Oshima, T. Kato, L. Kiejin, M. Kawahara, M. Nishikawa, T. Ishibashi

2022.11.25

Current induced magnetization switching in (Mn-Cr)AlGe films showing perpendicular magnetization International conference

T. Kubota, S. Honda, Y. Sonobe, T. Kato, K. Takanashi

The 67th Annual Conferenc on Magnetism and Magnetic Materials 2022.11.2

Fabrication of beta-Mn type CoZnMn(001) film on MgO single crystal substrate International conference

D. Oshima, R. Mitsuhashi, N. Ikarashi, T. Kato, M. Nagao

The 67th Annual Conferenc on Magnetism and Magnetic Materials 2022.11.3

Effect of annealing on magnetic anisotropy and damping constant of MgO/CoFe/Pt trilayer films

Y. Konishi, T. Kato, D. Oshima

2022.9.6

Spin orbit torques of Gd / FeCo multilayers on Ta layer

S. Yanai, D. Oshima, S. Takahashi, Y. Hirayama, T. Kato

2022.9.8

Control of magnetic moment of FeSiBNb film by strain

Y. Kutsuna, Y. Fujiwara, D. Oshima, T. Kato, M.Jimbo

2022.9.7

Magnetic Properties of Fe-Ga-M Thin Film and Effect of Annealing Temperature

K. Suzuki, Y. Fujiwara, D, Oshima, T. Kato, M. Jimbo

2022.9.7

Fabrication of feedback-type GMR sensors using antiphase magnetization modulation

K. Komuro, D. Oshima, T. Kato

2022.9.6

Magnetization dynamics of FeCo/Cu/GdFeCo trilayers triggered by ultrashort pulse laser

K. Seguchi, D. Oshima, T. Kato

2022.9.6

Characterization of EuBi2Fe5-xGaxO12 thin films by Ferromagnetic Resonance Measurements

W. Asano, T. Nishi, D. Oshima, T. Kato, K. Lee, M. Kawahara, M. Nishikawa, T. Ishibashi

2022.9.6

beta-Mn type CoZnMn thin film epitaxially grown on single crystal substrate

D. Oshima, R. Mitsuhashi, N. Ikarashi, T. Kato, M. Nagao

2022.9.6

Current Induced Magnetization Switching for Ultra-high Density Memory Devices (Keynote) International conference

T. Kato

2nd International Conference on Magnetism and Its Applications 2022.6.2

Photocatalytic Activity of Green-Synthesized Fe3O4/TiO2 Magnetic Nanoparticles International conference

R. M. Tumbelaka, N. I. Istiqomah, T. Kato, D. Oshima, E. Suharyadi

2nd International Conference on Magnetism and Its Applications 2022.6.3

Magnetization Dynamics of GdFeCo/Cu/FeCo Trilayers Triggered by Ultrashort Pulsed Laser International conference

K. Seguchi, D. Oshima, T. Kato

Magnetics and Optics Research International Symposium 2022 2022.5.17

Spin Orbit Torques in Ferrimagnetic Gd/FeCo Multilayers International conference

S. Yanai, D. Oshima, S. Takahashi, Y. Hirayama, T. Kato

Magnetics and Optics Research International Symposium 2022 2022.5.18

Peculiar Temperature Dependence of Magneto-optic Kerr Rotation in Pt/Co/Spacer (Ir, Pt)/Cr2O3/Pt Thin Film International conference

Y. Shiratsuchi, T. Okano, H. Ekawa, H. Sakurai, K. Toyoki, T. Kato, R. Nakatani

Magnetics and Optics Research International Symposium 2022 2022.5.19

Composition Dependence of the Buffer Layer of the Magnetic Properties of the Non-equilibrium Phase Magnetic Garnet Thin Films

K. Mori, T. Nishi, T. Kato, M. Kawahara, M. Nishikawa, T. Ishibashi

2022.3.23

Effect of high TC interface layer on the spin-transfer torque switching of high TC / low TC hybrid memory layer

W. Zhao, T. Kato, D. Oshima, S. Iwata

Magnetization Dynamics of GdFeCo/Cu/FeCo triple layers by ultrafast pulse

K. Seguchi, T. Kato, D Oshima

Enhancement of spin-orbit torques by the change of uniaxial in-plane magnetic anisotropy in Py/Pt bilayers on a single crystal LiNbO3 substrate

M. Ito, A. Yamaguchi, D. Oshima, T. Kato, M. Shima, K. Yamada

Changes in the spin Seebeck voltage with Bi composition in BixY3-xFe5O12 films synthesized by sol-gel method

M. Yamamoto, S. Masaki, Y. Shiota, T. Moriyama, T. Kato, T. Ono, M. Shima, K. Yamada

Effect of high TC interface layer in high TC/ low TC hybrid memory layer on thermally assisted spin-transfer-torque switching International conference

W. Zhao, T. Kato, D. Oshima, S. Iwata

The 15th Joint MMM-INTERMAG Conference

Change in longitudinal spin Seebeck voltage with microstructure in YIG films prepared by sol-gel method International conference

M. Yamamoto, S. Masaki, H. Matsui, Y. Shiota, T. Moriyama, T. Kato, T. Ono, M. Shima, K. Yamada

The 15th Joint MMM-INTERMAG Conference

Enhancement of spin-orbit torques using change of uniaxial in-plane magnetic anisotropy in Py/Pt bilayers on a single crystal Y-Cut 128° LiNbO3 substrate International conference

M. Ito, A. Yamaguchi, D. Oshima, T. Kato, M. Shima, K. Yamada

International Confernce on Materials and Systems for Sustainability 2021

Fabrication of epitaxially grown β-Mn type CoZnMn film International conference

D. Oshima, M. Kawai, R. Mitsuhashi, S. Hirata, N. Ikarashi, T. Kato, M. Nagao

International Confernce on Materials and Systems for Sustainability 2021

The study of interface layer in hybrid memory layer for thermally assisted STT-MRAM cells International conference

W. Zhao, T. Kato, D. Oshima, S. Iwata

International Confernce on Materials and Systems for Sustainability 2021

Magnetic anisotropy of highly bismuth-substituted rare-earth (Y, Pr, Nd, Sm and Er) iron garnet thin films International conference

T. Ishibashi, R. Urakawa, M. Nishikawa, T. Nishi, D. Oshima, T. Kato

International Confernce on Materials and Systems for Sustainability 2021

Development of strain sensor with granular film 2

S. Ueno, K. Temma, T. Uwabe, Y. Fujiwara, D. Oshima, T. Kato, M. Jimbo

Effect of high TC interface layer on the thermally assisted STT switching of high TC / low TC hybrid memory layer

W. Zhao, T. Kato, D. Oshima, S. Iwata

LiNbO3単結晶基板上の2層構造Py/Ptにおける面内一軸磁気異方性によるスピン軌道トルクの変化

伊藤将慶，山口明啓，大島大輝，加藤剛志，嶋睦宏，山田啓介

第45回日本磁気学会学術講演会

Thermally assisted switching of MRAM cell using hybrid memory layer with different Curie temperatures (Invited) Invited International conference

T. Kato, W. Zhao, D. Oshima, S. Iwata

International Conference n Processing and Manufacturing and Advanced Materials 2020

Electric-field modulation of perpendicular magnetic anisotropy and damping constant in MgO/Co/Pt trilayers International conference

A. Sakoguchi, T. Kato, D. Oshima, S. Iwata

INTERMAG 2021 Conference

Characterization of magnetic anisotropy of highly bismuth-substituted rare-earth iron garnet thin films

R. Urakawa, M. Nishikawa, M. Kawahara, D. Oshima, T. Kato, T. Ishibashi

2021.3.26

Evaluation of spin-orbit torques in 2-layer structure of Py /Pt on a single crystal of LiNbO3 substrate

M. Ito, K. Kondo, A. Yamaguchi, D. Oshima, T. Kato, M. Shima, K. Yamada

2021.3.18

Influence of Substrate Temperature on Self-Assembling Formation of High Density FePt-Nanodots Assisted by Remote Hydrogen Plasma

S. Honda, H. Furuhata, A. Ohta, M. Ikeda, D. Oshima, T. Kato, K. Makihara, S. Miyazaki

2021.3.19

Electric-field modulation of the magnetization dynamics in MgO/Co/Pt trilayers

A. Sakoguchi, D. Oshima, S. Iwata, T. Kato

2021.3.5

Development of strain sensor with granular film

T. Uwabe, Y. Fujiwara, S. Iwata, T. Kato, D. Oshima

2020.12.17

Thermally assisted STT switching of hybrid memory layer using CoPd/Pd and Co/Pd multilayers

W. Zhao, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata

2020.12.15

Electric field effect of magnetic anisotropy and damping constant in MgO/Co/Pt trilayers

A. Sakoguchi, D. Oshima, S. Iwata, T. Kato

2020.12.17

MgO/Co/Pt積層膜における磁気異方性及び磁化ダイナミクスの電界効果

砂古口藍子，大島大輝，加藤剛志，岩田聡

2020年度物質・デバイス領域共同研究拠点展開共同研究A研究会 2020.12.2

低キューリ温度[CoPd/Pd]を用いた複合メモリ層の熱アシストSTT磁化反転

趙望臻，大島大輝，加藤剛志，岩田聡

2020年度物質・デバイス領域共同研究拠点展開共同研究A研究会 2020.12.2

Perpendicular anisotropy and damping of MgO/Fe/Au trilayers with broken inversion symmetry International conference

N. Kamiya, T. Kato, D. Oshima, S. Iwata

Annual Conference on Magnetism and Magnetic Materials 2020 2020.11.2

Thermally assisted STT switching of hybrid memory layer consisting of low TC CoPd/Pd and high TC Co/Pd multilayers International conference

W. Zhao, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata

IEEE International Magnetics Conference 2020 2020.5.7

Optical Control of Spin-polarized Current in a Magnetic Metamaterial

M. Shigefuji, T. Kobayashi, Y. Takata, T. KatoA D. Oshima, S. Iwata, M. Matsubara

2020.3.16

フェリ磁性GdFeCo/Ta積層膜におけるスピン軌道トルク

加藤剛志

2019年度物質・デバイス領域共同研究拠点展開共同研究B研究会 2020.3.10

MgO/Fe/AuおよびAu/Fe/Au積層膜の磁化ダイナミクス

神谷尚輝，大島大輝，加藤剛志，岩田聡

電気学会マグネティックス研究会 2020.3.6

Magnetization dynamics in MgO/Fe/Au and Au/Fe/Au trilayers

N. Kamiya, D. Oshima, T. Kato, S. Iwata

2020.1.24

Perpendicular magnetic anisotropy and structure of Fe3O4/Cr sputtered film followed by annealing

D. Oshima, T. Kato, S. Iwata

2020.1.24

Thermally assisted STT switching of hybrid memory layer using low Curie temperature CoPd/Pd multilayer

W. Zhao, T. Kato, D. Oshima, S. Iwata

2020.1.24

Highly (001) oriented MnAl film fabricated on CoGa buffer layer International conference

D. Oshima, T. Kato, S. Iwata

Annual Conference on Magnetism and Magnetic Materials 2019 2019.11.6

Thermally assisted STT switching MRAM cell using hybrid memory layer consist of CoPd/Pd and Co/Pd multilayers International conference

W. Zhao, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata

Annual Conference on Magnetism and Magnetic Materials 2019 2019.11.7

(001)-textured MnGa ultrathin films grown on thermally oxidized Si substrate using CoGa buffer layer International conference

Y. Miwa, D. Oshima, T. Kato, S. Iwata

Annual Conference on Magnetism and Magnetic Materials 2019 2019.11.8

X-ray magnetic circular dichroism studies on ion irradiated MnGa films International conference

T. Kato, D. Oshima, S. Iwata

International Conference on Materials and Systems for Sustainability 2019 2019.11.2

Magnetic anisotropy of Bi-substituted yttrium iron garnet films prepared by MOD method International conference

T. Ishibashi, G. Lou, J. Yamakita, M. Nishikawa, T. Kato, S. Iwata

International Conference on Materials and Systems for Sustainability 2019

Compositional dependence of spin orbit torques in SiN / GdFeCo / Ta films International conference

K. Kawakami, D. Oshima, T. Kato, S. Iwata

International Conference on Materials and Systems for Sustainability 2019

Voltage control of spin Hall switching in perpendiculary magnetized MgO/Co/Pt trilayers International conference

K. Kunishima, X. Zhou, D. Oshima, T. Kato, S. Iwata

International Conference on Materials and Systems for Sustainability 2019

Perpendicular magnetic anisotropy sputtered Fe3O4/Cr multilayer followed by annealing

D. Oshima, T. Kato, S. Iwata

2019.10.18

Gd content dependence of spin orbit torques of SiN / GdFeCo / Ta trilayers

K. Kawakami, K. Kadowaki, T. Kato, D. Oshima, S. Iwata

2019.9.25

Fabrication of (001)-textured MnAl film on CoGa buffer layer

D. Oshima, T. Kato, S. Iwata

2019.9.27

Investigation of magnetization dynamics in MgO / Fe / Au system

N. Kamiya, D. Oshima, T. Kato, S. Iwata

2019.9.27

Fabrication of (001) oriented MnGa film on Si substrate using CoGa buffer layer

Y. Miwa, D. Oshima, T. Kato, S. Iwata

2019.9.27

Electric-field-assisted spin orbit torque switching in MgO/Co/Pt trilayers

K. Kunishima, X. Zhou, D. Oshima, T. Kato, S. Iwata

2019.9.25

Temperature dependence of STT switching of hybrid memory layer using low Curie temperature CoPd/Pd multilayer

W. Zhao, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata

2019.9.25

Magnetization dynamics of ion-irradiated L10-MnGa films

T. Kato, T. Furusawa, D. Oshima, S. Iwata

2019.8.2

Electric-field-assisted Spin Hall Magnetization Switching in MgO/Co/Pt Trilayers International conference

K. Kunishima, X. Zhou, D. Oshima, T. Kato, S. Iwata

Magnetics and Optics Research International Symposium 2019 2019.6.25

Spin Orbit Torques in Ferrimagnetic GdFeCo with Various Compositions International conference

K. Kawakami, D. Oshima, T. Kato, S. Iwata

Magnetics and Optics Research International Symposium 2019 2019.6.25

Spin Transfer Torque Switching of Hybrid Memory Layers with Low Curie Temperature CoPd/Pd Multilayers International conference

W. Zhao, T. Kato, D. Oshima, Y. Sonobe, S. Takahashi, S. Iwata

Magnetics and Optics Research International Symposium 2019 2019.6.25

Current induced magnetization switching of RE-TM and Co/Pd based multilayers (Invited) Invited International conference

T. Kato

Special Lecture Meeting at Nanyang Technological University 2019.3.20

Magnetization direction modulation type strain sensor using giant magneto-resistance films with FeSiB free layer

K. Yasuda, Y. Hashimoto, T. Kato, D. Oshima, S. Iwata

2019.3.8

フェリ磁性希土類遷移金属膜の電流誘起磁化反転（招待講演） Invited

加藤剛志，川上圭祐，岩田聡，大島大輝

学際・国際的高度人材育成ライフイノベーションマテリアル創製共同プロジェクト第3回公開討論会 2019.3.5

Electric-field-assisted spin Hall magnetization switching in MgO/Co/Pt films

K. Kunishima, X. Zhou, D. Oshima, T. Kato, S. Iwata

2019.1.30

Spin orbit torques in ferrimagnetic GdFeCo/Ta bilayers International conference

K. Kawakami, D. Oshima, T. Kato, S. Iwata

International School on Spintronics and Korea-Japan Spintronics Workshop -Topological Phenomena in Magnetism- 2019.1.21

Perpendicular magnetic anisotropy of Fe3O4/Cr multilayers International conference

D. Oshima, T. Kato, S. Iwata

2019 Joint MMM-Intermag Conference 2019.1.15

MnGa (001) textured film fabricated on Si substrate for application to ion beam bit patterned media International conference

T. Ishikawa, Y. Miwa, D. Oshima, T. Kato, S. Iwata

2019 Joint MMM-Intermag Conference 2019.1.16

イオン照射による磁気ナノ構造の作製（招待講演） Invited

加藤剛志

第70回日本磁気学会スピンエレクトロニクス専門研究会

Small angle scattering measurement using coherence of soft x-ray and its application to Gd/Fe superlattice

K. Yamamoto, Y. Yamasaki, Y. Yokoyama, Y. Hirata, K. Yamagami, K. Takubo, Y. Zhang, K. Ikeda, S. Iwata, T. Kato, T. Arima, H. Wadati

低キュリー温度CoPd/Pd多層膜を用いた複合メモリ層のスピン注入磁化反転

趙望臻，大島大輝，加藤剛志，園部義明，川戸良昭，岩田聡

平成30年度物質・デバイス領域共同研究拠点展開共同研究B研究会

MgO/Co/Pt積層膜における電界アシストスピンホール磁化反転

國島和哉，周興，大島大輝，加藤剛志，岩田聡

平成30年度物質・デバイス領域共同研究拠点展開共同研究B研究会

MgO/Fe/Pt積層膜におけるGilbertダンピング定数α

石井克弥，大島大輝，加藤剛志，岩田聡

第6回応用物理学会SC東海地区学術講演会

Spin Hall magnetization switching in SiN / GdFeCo / Ta films

K. Kawakami, D. Oshima, T. Kato, S. Iwata

Current induced magnetization switching of hybrid memory layer comprised of CoPd/Pd and Co/Pd multilayers International conference

W. Zhao, T. Kimura, T. Kato, D. Oshima, Y. Sonobe, Y. Kawato, S. Iwata

40th International Symposium on Dry Process

Fabrication of (001) oriented MnGa film on Si substrate and its patterning by ion-irradiation technique

Y. Miwa, T. Ishikawa, D. Oshima, T. Kato, S. Iwata

Damping Factors of Ferromagnetic Multilayers including Rashba Interfaces

S. Seno, S. Tomita, T. Kato, D. Oshima, S. Iwata, N. Hosoito, H. Yanagi

Observation of magnetic domains in Gd/Fe superlattices by soft x-ray coherence

H. Wadati, K. Yamamoto, Y. Yamasaki, Y. Hirata, K. Yamagami, K. Takubo, Y. Zhang, K. Ikeda, S. Iwata, T. Kato, T. Arima

Characterization of field orientation dependence of ferromagnetic resonance of Y3-xBixFe5O12 thin films

G. Lou, J. Yamakita, M. Nishikawa, T. Kato, S. Iwata, T. Ishibashi

GMR Magnetic Strain Sensor using modulation of FeSiB free-layer magnetization direction

K. Yasuda, Y. Hashimoto, T. Kato, D. Oshima, S. Iwata

Exchange coupled hybrid memory layer with low Curie temperature CoPd/Pd multilayer for high-density magnetic random-access memory cells

W. Zhao, T. Kimura, X. Dong, D. Oshima, T. Kato, Y. Sonobe, Y. Kawato, S. Iwata

Dependence of critical current of spin transfer torque magnetization switching on the layer thickness ratio of Co/Pd multilayers

W. Zhao, T. Kimura, D. Oshima, T. Kato, Y. Sonobe, Y. Kawato, S. Iwata

Electric-field-assisted spin Hall magnetization switching in perpendicularly magnetized Co ultra-thin films

K. Kunishima, X. Zhou, D. Oshima, T. Kato, S.I wata

Magnetical patterning of L10-MnGa ultrathin film grown on CoGa buffer layer

Y. Horie, Y. Miwa, D. Oshima, T. Kato, S. Iwata

Magnetization dynamics of permalloy thin films with silver/bismuth interface

S. Tomita, S. Seno, T. Kato, D. Oshima, S. Iwata, N. Hosoito, H. Yanagi

Large perpendicular magnetic anisotropy in Fe3O4/Cr multilayer films

D. Oshima, T. Kato, S. Iwata

Fabrication of (001) oriented MnGa film on Si substrate for application to bit patterned media

Y. Miwa, T. Ishikawa, D. Oshima, T. Kato, S. Iwata

Spatial Mapping of Magnetophotogalvanic Effect in Artificial Magnetic Nanostructures

T. Kobayashi, T. Kato, S. Iwata, M. Matsubara

Modification of magnetization dynamics of perpendicular magnetized Co/Ni multilayer by adsorption of magnetic nano-particles International conference

Y. Otaki, T. Kato, S. Okamoto, N. Kikuchi, D. Oshima, S. Iwata, O. Kitakami

11th International Conference of Electrical, Transport, and Optical Properties of Inhomogeneous Media

Ion implantation for planar nano-pattering of magnetic materials (Invited) Invited International conference

T. Kato

11th International Conference of Electrical, Transport, and Optical Properties of Inhomogeneous Media

Planar bit patterned MnGa films fabricated by ion irradiation (Invited) Invited International conference

T. Kato, D. Oshima, S. Iwata

5th International Conference of Asian Union of Magnetics Societies

Crystal Structures and Magnetic Properties of Silica-Encapsulated CoZnFe2O4 Magnetic Nanoparticles International conference

L. O. Rusman, H. Kiswanto, A. T. Puspitasari, E. Suharyadi, T. Kato, S. Iwata

5th International Conference of Asian Union of Magnetics Societies

Effect of Annealing Temperature on Crystal Structure and Magnetic Properties of CoZnFe2O4 Magnetic Nanoparticles International conference

H. Kiswanto, E. Suharyadi, T. Kato, S. Iwata

5th International Conference of Asian Union of Magnetics Societies

Magnetic Anisotropy of Highly Nd3-xBixFe5-yGayO12 Studied by FMR Measurements International conference

T. Ishibashi, G. Lou, J. Yamakita, M. Nishgikawa, N. Adachi, T. Kato, S. Iwata

5th International Conference of Asian Union of Magnetics Societies

Ion beam patterning of ultrathin L10-MnGa (001) film grown on CoGa buffer layer International conference

Y. Horie, D. Oshima, T. Kato, S. Iwata

IEEE International Magnetics Conference 2018

Detection of magnetic nanoparticles by variation of magnetization dynamics of Co/Ni multilayer International conference

Y. Otaki, T. Kato, S. Okamoto, N. Kikuchi, D. Oshima, S. Iwata, O. Kitakami

IEEE International Magnetics Conference 2018

Hybrid memory layer with low Curie temperature CoPd/Pd multilayer for high-density magnetic random access memory cells International conference

W. Zhao, T. Kimura, T. Kato, D. Oshima, Y. Sonobe, Y. Kawato, S. Iwata

IEEE International Magnetics Conference 2018

Observation of magnetophotogalvanic effect in artificial magnetic nanostructures

T. Kobayashi, T. Togashi, T. Kato, S. Iwata, M. Matsubara

Time-resolved magneto-optical Kerr effects in Py/Ag/Bi trilayers

S. Seno, S. Tomita, T. Suwa, T. Kato, D. Oshima, S. Iwata, N. Hosoito, H. Yanagi

Crystal structure transformation of Fe3O4 from spinel type to rock salt type via ion irradiation

Y. Liu, Y. Hisamatsu, I. Harayama, S. Sharmin, D. Sekiba, D. Oshima, T. Kato, S. Iwata, E. Kita, H. Yanagihara

Characterization of magnetic anisotropy and high-frequency properties of Nd0.5Bi2.5Fe5-yGayO12 thin films on glass substrates

G. Lou, J. Yamakita, M. Nishikawa, Y. Matsumoto, S. Hashi, K. Ishiyama, N. Adachi, T. Kato, S. Iwata, T. Ishibashi

Magnetically patterning by irradiation onto L10-MnGa(001) ultrathin film

Y. Horie, D. Oshima, T. Kato, S. Iwata

Interlayer exchange coupling constant in Nd-Fe-B/Ni80Fe20 films by all-optical pump-probe technique

R. Mandal, D. Ogawa, Y. K. Takahashi, S. Hirosawa, K. Hono, Y. Tamazawa, T. Shima, K. Ishioka, S. Iwata, T. Kato

Ion irradiation onto MnGa film grown on CoGa buffer layer

Y. Horie, D. Oshima, T. Kato, S. Iwata

Electric-field-assisted spin Hall magnetization switching in perpendicularly magnetized Co thin films

X. Zhou, D. Oshima, T. Kato, S. Iwata

超短パルス軟X線光源を用いた非線形現象の研究

久保田雄也，山本達，平田靖透，宮内良広，田久保耕，山本真吾，大和田成起，加藤剛志，岩田聡，和達大樹，辛埴，松田巌，矢橋牧名

第31回日本放射光学会年会・放射光科学合同シンポジウム

Compositional dependence of spin orbit torques in ferrimagnetic GdFeCo / Ta bilayers International conference

K. Kawakami, D. Oshima, T. Kato, S. Iwata

Magnetics and Optics Research International Symposium 2018

Spin transfer torque switching of Co/Pd-based multilayers with low Curie temperature International conference

T. Kimura, X. Dong, D. Oshima, T. Kato, Y. Sonobe, Y. Kawato, S. Iwata

Magnetics and Optics Research International Symposium 2018

Magnetic anisotropy in Bismuth, Gallium substituted Neodymium iron garnet thin films on GGG substrates determined by FMR measurements International conference

J. Yamakita, G. Lou, T. Kato, S. Iwata, M. Nishikawa, T. Ishibashi

Magnetics and Optics Research International Symposium 2018

人工構造膜の磁化ダイナミクス計測とその制御

加藤剛志

平成29年度物質・デバイス領域共同研究拠点展開共同研究B研究会

FeSiBフリー層を有する磁化方向変調型GMR歪みセンサ

橋本侑也，大島大輝，加藤剛志，岩田聡

平成29年度物質・デバイス領域共同研究拠点展開共同研究B研究会

イオン照射によるMnGa膜の磁気的パターニング

大島大輝，加藤剛志，岩田聡

平成29年度物質・デバイス領域共同研究拠点展開共同研究B研究会

Co/Ni多層膜に吸着させた磁性微粒子による磁化ダイナミクスの変化

大瀧雄介, 加藤剛志, 岩田聡, 菊池伸明, 岡本聡, 北上修

第17回東北大学多元物質科学研究所研究発表会

Spin orbit torques in SiN / GdFeCo / Ta films

K. Kawakami, D. Oshima, T. Kato, S. Iwata

High frequency characteristics of highly bismuth-substituted neodymium iron garnet thin films on glass substrates prepared by metal-organic decomposition method

G. Lou, J. Yamakita, M. Nishikawa, Y. Matsumoto, S. Hashi, K. Ishiyama, N. Adachi, T. Kato, S. Iwata, T. Ishibashi

Current induced magnetization switching of Co/Pd-based multilayers with low Curie temperature International conference

T. Kimura, X. Dong, D. Oshima, T. Kato, Y. Sonobe, Y. Kawato, S. Iwata

62nd Annual Conference on Magnetism and Magnetic Materials

Compositional Dependence of spin orbit torques in amorphous GdFeCo films International conference

K. Kawakami, D. Oshima, T. Kato, S. Iwata

62nd Annual Conference on Magnetism and Magnetic Materials

Time Domain Study of Magnetization Dynamics to Evaluate Interlayer Exchange Coupling Constant in Nd2Fe14B/Ni80Fe20 Films (Invited) Invited International conference

R. Mandal, YK. Takahashi, K. Ishioka, T. Shima, D. Ogawa, T. Kato, S. Iwata, S. Hirosawa, K. Hono

62nd Annual Conference on Magnetism and Magnetic Materials

Electric-field-assisted spin Hall magnetization switching in perpendicularly magnetized Co ultra-thin films

X. Zhou, D. Oshima, T. Kato, S. Iwata

Fabrication of spin valve magneto-resistance films having exchange coupled free layer for the application to high sensitivity magnetic field sensor

A. Uno, T. Takahashi, D. Oshima, T. Kato, S. Iwata

Modification of magnetic properties of Co ultra-thin films by the application of electric field

H. Maeda, R. Tanaka, D. Oshima, T. Kato, S. Iwata

Effect of Zn concentration on Crystal Structure and Magnetic Properties of ZnxNi1-xFe2O4 Nanoparticles Fabricated by Co-precipitation Method International conference

N. Istikhomah, J. Widakdo, A. Rifianto, E. Suharyadi, T. Kato, S. Iwata

IEEE Nanotechnology Materials and Devices Conference 2017

Crystal Structures and Magnetic Properties of Silica and Polyethylene Glycol (PEG-4000) - Encapsulated Zn0.5Ni0.5Fe2O4 Magnetic Nanoparticles International conference

J. Widakdo, N. Istikhomah, A. Rifianto, E. Suharyadi, T. Kato, S. Iwata

IEEE Nanotechnology Materials and Devices Conference 2017

Magnetic strain sensor using spin valve GMR films with FeSiB free layer International conference

Y. Hashimoto, N. Yamamoto, T. Kato, D. Oshima, S. Iwata

International Conference on Materials and Systems for Sustainability

Scanning X-ray magnetic circular dichroism observation of magnetic state of ion-irradiation bit patterned L10-MnGa films International conference

T. Ishikawa, K. Fukuta, D. Oshima, T. Kato, T. Nakamura, Y. Kotani, K. Toyoki, S. Iwata

International Conference on Materials and Systems for Sustainability

Spin-Valve GMR Magnetic Strain Sensor with FeSiB Free Layer

Y. Hashimoto, N. Yamamoto, T. Kato, D. Oshima, S. Iwata

Estimation of Interlayer Exchange Coupling Constant in Nd2Fe14B / Ni80Fe20 Thin Film: A TRMOKE Study

R. Mandal, Y. Takahashi, K. Ishioka, T. Shima, D. Ogawa, T. Kato, S. Hirosawa, K. Hono

Spin transfer torque magnetization switching of Co/Pd based multilayers with low Curie temperature

T. Kimura, X. Dong, D. Oshima, T. Kato, Y. Sonobe, Y. Kawato, S. Iwata

FORC analysis of MnGa bit patterned film fabricated by ion irradiation

D. Oshima, T. Kato, S. Iwata

Spin orbit torques in amorphous GdFeCo films

K. Kawakami, D. Oshima, T. Kato, S. Iwata

Local magnetic state of ion-irradiation L10-MnGa bit patterned films probed by scanning X-ray magnetic circular dichroism microscope

T. Ishikawa, K. Fukuta, D. Oshima, T. Kato, T. Nakamura, Y. Kotani, K. Toyoki, S. Iwata

スピントロニクスデバイスを基盤としたナノ計測技術の開発と物質・材料研究への展開

白土優，加藤剛志，鈴木義茂，三輪真嗣，野崎隆行，荒河一渡，小谷佳範，中村哲也

SPring-8シンポジウム2017

Ion Beam Bit Patterned Media Using MnGa Alloy Films (Invited) Invited International conference

D. Oshima, T. Kato, S. Iwata

The 28th Magnetic Recording Conference

熱を利用した高機能スピンデバイス開発に向けて（招待講演） Invited

加藤剛志

電気学会　第1回光・熱・磁気の相互作用を利用した新規スピンデバイス・ストレージ技術調査専門委員会

Magnetic strain sensor using GMR films with magnetostrictive FeSiB free layer International conference

Y. Hashimoto, N. Yamamoto, T. Kato, D. Oshima, S. Iwata

IEEE International Magnetics Conference 2017

FMR measurements of highly bismuth-substituted neodymium iron garnet thin films International conference

G. Lou, T. Kato, S. Iwata, T. Ishibashi

IEEE International Magnetics Conference 2017

First order reversal curve diagram analysis of ion irradiated bit patterned MnGa film International conference

D. Oshima, T. Kato, S. Iwata

IEEE International Magnetics Conference 2017

Local switching field and magnetic state of ion-irradiation bit patterned L10-MnGa film probed by scanning X-ray magnetic circular dichroism International conference

T. Ishikawa, K. Fukuta, D. Oshima, T. Kato, T. Nakamura, Y. Kotani, K. Toyoki, S. Iwata

IEEE International Magnetics Conference 2017

Characterization of high frequency characteristics of Nd0.5Bi2.5Fe5O12 thin films for magneto-optical imaging

G. Lou, Y. Matsumoto, S. Hashi, K. Ishiyama, T. Kato, S. Iwata, N. Adachi, T. Taniyama, T. Ishibashi

Strain sensor using giant magneto-resistance films with amorphous FeSiB free layer

Y. Hashimoto, N. Yamamoto, T. Kato, D. Oshima, S. Iwata

Characterization of high frequency characteristics of highly bismuth-substituted garnet thin films for magneto-optical imaging

G. Lou, Y. Matsumoto, S. Hashi, K. Ishiyama, T. Kato, S. Iwata, N. Adachi, T. Taniyama, T. Ishibashi

SQUIDセンサを代替できる室温動作ピコテスラ磁気センサを目指して（招待講演） Invited

加藤剛志，岩田聡，大島大輝，本蔵義信

平成28年度名古屋大学脳とこころの研究センターシンポジウム

Study of high density MnGa bit patterned film by low energy ion irradiation

K. Fukuta, T. Matsunaga, D. Oshima, T. Kato, S. Iwata

Magnetization switching of perpendicularly magnetized GdFeCo amorphous film by spin orbit torques

T. Matsumura, D. Oshima, T. Kato, S. Iwata

時間分解共鳴磁気光学効果／磁気円二色性測定によるAu/Fe/Au系の超高速消磁・緩和過程の追跡

山本真吾，山本航平，高橋良暢，丸山航平，鈴木雄太，久保田雄也，伊藤俊，福田憲吾，大島大輝，大和田成起，加藤剛志，藤澤正美，保原麗，C. Schussler-Langeheine，平田靖透，山本達，小嗣真人，岩田聡，和達大樹，矢橋牧名，辛埴，松田巌

第30回日本放射光学会年会・放射光科学合同シンポジウム

Time resolved magneto-optical Kerr effect of magnetic materials with high perpendicular magnetic anisotropy Invited

T. Kato

International Workshop on Novel Photo Induced Phenomena and Applications

Fabrication of High Sensitive Magnetic Field Sensor with Amorphous Wire and Fine Pitch Coils International conference

T. Kato, S. Iwata, Y. Honkura

29th International Microprocesses and Nanotechnology Conference

Magnetization dynamics and magnetic anisotropy of ion irradiated L10-MnGa films International conference

H. Kano, T. Kato, D. Oshima, S. Takahashi, Y. Sonobe, S. Iwata

61st Annual Conference on Magnetism and Magnetic Materials

First order reversal curve diagrams of bit patterned MnGa fabricated by local ion irradiation International conference

D. Oshima, T. Kato, S. Iwata

61st Annual Conference on Magnetism and Magnetic Materials

[CoPd/Pd] and [Co/Pd] hybrid stacks for the memory layer of high density magnetic random access memory cells International conference

X. Dong, D. Oshima, T. Kato, Y. Sonobe, S. Iwata

61st Annual Conference on Magnetism and Magnetic Materials

Sign of Spin-Orbit Torques in ferrimagnetic GdFeCo International conference

N. Roschewsky, T. Matsumura, S. Cheema, T. Kato, S. Iwata, S. Salahuddin

61st Annual Conference on Magnetism and Magnetic Materials

Magnetization switching induced by spin-orbit torques in perpendicularly magnetized Ta / GdFeCo bilayers International conference

T. Matsumura, D. Oshima, T. Kato, N. Roschewsky, S. Salahuddin, S. Iwata

61st Annual Conference on Magnetism and Magnetic Materials

Fabrication of (001) oriented MnGa film grown on Si substrate and ion-irradiation patterning

T. Ishikawa, T. Negoro, K. Fukuta, D. Oshima, T. Kato, S. Iwata

FMR measurements of highly bismuth-substituted neodymium iron garnet thin films

G. Lou, N. Adachi, T. Kato, S. Iwata, Y. Matsumoto, S. Hashi, K. Ishiyama, T. Ishibashi

Dependence of Gilbert damping constant of Co/Ni multilayers on underlayer materials

K. Kato, D. Oshima, T. Kato, S. Iwata

Study on energy harvesting devices using FeSiB amorphous thin film

Y. Otaki, D. Oshima, T. Kato, S. Iwata

Study on energy harvesting devices using FeSiB amorphous thin film

T. Nishida, D. Oshima, T. Kato, S. Iwata

Time resolved magneto-optical Kerr effect and spin transfer torque switching of GdFeCo / TbFe exchange coupled bilayers (Invited) Invited

T. Kato, T. Higashide, B. Dai, D. Oshima, S. Iwata

Study of perpendicular magnetic anisotropy change of Fe ultrathin film induced by interfacial spin-orbit interaction

Sh. Yamamoto, K. Yamamoto, K. Takubo, K. Fukuta, D. Oshima, T. Kato, S. Iwata, H. Wadati, I. Matsuda

Topotactic phase transformation of spinel Fe3O4 to FeO with rock salt structure via ion irradiation

Y. Liu, Y. Hisamatsu, S. Sharmin, D. Oshima, T. Kato, S. Iwata, E. Kita, H. Yanagihara

Magnetotransport Properties of FePt Alloy-NDs Stacked Structures

T. Kawase, K. Makihara, T. Kato, A. Ohta, M. Ikeda, S. Iwata, S. Miyazaki

Fabrication of MnGa bit patterned structure by low energy Kr+ ion irradiation

K. Fukuta, T. Matsunaga, D. Oshima, T. Kato, S. Iwata

Magnetization switching of exchange coupled bilayers with low Curie temperature CoPd/Pd multilayers

X. Dong, D. Oshima, T. Kato, Y. Sonobe, S. Iwata

Temperature dependence of magnetic properties of ion-irradiated MnGa films

D. Oshima, T. Kato, S. Iwata

Ion-irradiation patterning of (001) oriented MnGa film grown on Si substrate

T. Ishikawa, T. Negoro, D. Oshima, T. Kato, S. Iwata

Spin Hall switching of perpendicular magnetized GdFeCo films

T. Matsumura, D. Oshima, T. Kato, S. Iwata

Time-resolved magneto-optical Kerr effect of L10-MnGa films irradiated with 30 keV Kr+ ions

H. Kano, T. Kato, D. Oshima, S. Takahashi, Y. Sonobe, S. Iwata

Development of nano-measurement technology of the materials for spintronics devices

The calcination temperature dependence of microstructural, vibrational spectra and magnetic properties of nanocrystalline Mn0.5Zn0.5Fe2O4 International conference

I. P. T. Indrayana, N. Siregar, E. Suharyadi, T. Kato, S. Iwata

8th International Conference on Physics and its Applications

Study of high-density ion-irradiated bit patterned media using MnGa alloy films

D. Oshima, K. Fukuta, T. Kato, S. Iwata

Characterization of stress-induced magnetic anisotropy in Nd0.5Bi2.5Fe4GaO12 thin films

T. Hashinaka, M. Sasaki, T. Ishibashi, T. Kato, S. Iwata, T. Taniyama

Study of perpendicular magnetic anisotropy change of Fe ultrathin film induced by Rashba spin-orbit interaction

Sh. Yamamoto, K. Yamamoto, K. Takubo, K. Fukuta, D. Oshima,T. Kato, S. Iwata, H. Wadati, I. Matsuda

FMR measurements of Nd0.5Bi2.5Fe5-yGayO12 (y = 0-1) thin films on glass substrates prepared by MOD method

G. Lou, M. Sasaki, N. Adachi, T. Kato, S. Iwata, T. Ishibashi

Study of perpendicular magnetic anisotropy change of Fe ultrathin film induced by Rashba spin-orbit interaction

S. Yamamoto, K. Yamamoto, K. Takubo, K. Fukuta, D. Oshima, T. Kato, S. Iwata, H. Wadati, I. Matsuda

Spin Hall switching of perpendicular magnetized GdFeCo amorphous films

T. Matsumura, D. Oshima, T. Kato, S. Iwata

Preparation and magnetic anisotropy of Bi, Ga-substituted Nd iron garnet films on glass substrates

Q. Liu, G. Lou, T. Hashinaka, M. Sasaki, T. Ishibashi, T. Kato, S. Iwata

Control of structure and magnetic properties of CrPt3 films by heat treatment or ion irradiation

K. Fukuta, D. Oshima, T. Kato, S. Iwata

Magnetization control of CoFe2O4 thin films by Kr ion implantation International conference

Y. Liu, E. Kita, H. Yanagihara, D. Oshima, T. Kato, S. Iwata, K. Mibu

2016 Joint MMM-Intermag Conference

Ion irradiation induced magnetic transition of MnGa alloy films studied by X-ray magnetic circular dichroism and low-temperature hysteresis loops International conference

D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata

2016 Joint MMM-Intermag Conference

Structural and magnetic transitions of CrPt3 films by heat treatment and ion irradiation International conference

K. Fukuta, D. Oshima, T. Kato, S. Iwata

Magnetics and Optics Research International Symposium 2015

Gilbert damping constant of TbFe / GdFeCo bilayers with various layer stacks International conference

T. Higashide, B. Dai, D. Oshima, T. Kato, S. Iwata

Magnetics and Optics Research International Symposium 2015

Magnetic Anisotropy of Highly Bi-substituted Neodymium Iron Gallium Garnets

M. Sasaki, G. Lou, Q. Liu, T. Hashinaka, T. Kato, S. Iwata, T. Taniyama, T. Ishibashi

The effect of strain induced by substrates on magnetic anisotropy in Nd0.5Bi2.5Fe4GaO12 thin films

T. Hashinaka, M. Sasaki, T. Ishibashi, T. Kato, S. Iwata, T. Taniyama

Thin film MnGa fabrication for ultra high density ion irradiation bit patterned media

T. Matsunaga, K. Fukuta, D. Oshima, T. Kato, S. Iwata, S. Tsunashima

Bi置換Nd系磁性ガーネットを用いた磁気光学イメージングプレートの開発

石橋隆幸，婁庚健，劉，佐々木教真，加藤剛志，岩田聡

電気学会平成27年度基礎・材料・共通部門大会

Evaluation of damping constants for Co/Pt multilayer and CoPt alloy films

Y. Kusanagi, S. Okamoto, N. Kikuchi, O. Kitakami, T. Kato, S. Iwata

Anomalous local structure of FeRh thin film showing metamagnetic transition revealed by XAFS

Y. Wakisaka, Y. Uemura, T. Yokoyama, D. Oshima, T. Kato, S. Iwata

Crystal lattice strain and magnetic anisotropy of highly Bi-substituted Neodymium Gallium Iron Garnet thin films on GGG substrates prepared by MOD method

M. Sasaki, M. Ninomiya, G. Lou, T. Kato, S. Iwata, T. Ishibashi

Magnetic anisotropy of Nd0.5Bi2.5Fe5-yGayO12 (y = 0-1) films on glass substrates prepared by metal organic decomposition (MOD) method (2)

G. Lou, M. Sasaki, T. Kato, S. Iwata, T. Ishibashi

Creation of non-magnetic layer and control of its layer thickness by ion irradiation on MnGa films

D. Oshima, T. Kato, S. Takahashi, Y. Sonobe, S. Iwata, S. Tsunashima

Control of magnetism of L10-MnGa(001) films by low energy ion irradiation

T. Matsunaga, T. Negoro, D. Oshima, T. Kato, S. Iwata, S. Tsunashima

Annealing temperature dependence of MR ratio of Co2Fe(AlSi)-Al2O3 granular films

R. Ishii, Y. Fujiwara, K. Maeda, T. Kato, D. Oshima, M. Jimbo, T. Kobayashi, S. Iwata

Electron Transport Properties of High Density FePt-NDs Stacked Structures

Y. Mitsuyuk, K. Makihara, T. Kato, A. Ohta, S. Iwata, S. Miyazaki

High-Density Formation of FePt Alloy Nanodots on SiO2 and Their Electron Transport Properties

Y. Mitsuyuk, K. Makihara, T. Kato, A. Ohta, S. Iwata, S. Miyazaki

High Sensitive Magnetic Field Sensor Using Amorphous Wire and Micro-fabricated Fine Pitch Coil (Invited)

T. Kato, D. Oshima, and S. Iwata

Control of structure and magnetic properties of CrPt3 films by heat treatment or ion irradiation

K. Fukuta, D. Oshima, T. Kato, S. Iwata, S. Tsunashima

Gilbert damping constant of TbFe/GdFeCo bilayers with various layer stacks

T. Higashide, B. Dai, D. Oshima, T. Kato, S. Iwata, S Tsunashima

The metamagnetic transition of thin-film FeRh studied by X-ray absorption fine structure spectroscopy International conference

Y. Wakisaka, Y. Umemura, T. Yokoyama, D. Oshima, T. Kato, S. Iwata

XAFS16: Satellite Meeting Application of XAFS to the study of magnetic Materials

XAFS study of FeRh thin film showing magnetic and structural transition International conference

Y. Wakisaka, Y. Umemura, T. Yokoyama, D. Oshima, T. Kato, S. Iwata

16th International Conference on X-ray Absorption Fine Structure

Current induced magnetization switching and damping constant of GdFeCo / TbFe exchange coupled bilayers

T. Kato, T. Higashide, B. Dai, D. Oshima, S. Iwata, S. Tsunashima

メタ磁性転移を示すFeRh薄膜の局所構造異常

脇坂祐輝，上村洋平，横山利彦，大島大輝，加藤剛志，岩田聡

第18回XAFS討論会

Control of Magnetic Inactivation Layer Thickness in MnGa Film by Kr Ion Irradiation International conference

D. Oshima, T. Kato, S. Takahashi, Y. Sonobe, S. Iwata, S. Tsunashima

20th International Conference on Magnetism

Magnetic anisotropy of Nd0.5Bi2.5Fe5-yGayO12 (y = 0 ~ 1) thin films on glass substrates prepared by metal organic decomposition method International conference

G. Lou, M. Sasaki, T. Kato, S. Iwata, T. Ishibashi

20th International Conference on Magnetism

Magnetic Properties and Microstructures of Polymer Functionalized Fe3O4 Nanoparticles-Enhanced Surface Plasmon Resonance (SPR) Biosensor International conference

E. Suharyadi, S. Nuzully, T. Kato, S. Iwata, K. Abraha

20th International Conference on Magnetism

(001) Oriented MnGa Film Grown on Si Substrate for Ion Beam Patterned Media International conference

D. Oshima, T. Negoro, T. Kato, S. Iwata, S. Tsunashima

20th International Conference on Magnetism

High Sensitive Amorphous Wire Magnetic Field Sensor with Microfabricated Fine Pitch Coil (Invited)

T. Kato

Development of the Treatment Process Using Ion Irradiation for the Fabrication of Ultra High-density MRAM Cells (Invited) International conference

T. Kato, D. Oshima, S. Iwata

The 5th MRAM Global Innovation Forum 2015

Variation of structure and magnetic properties by Ag addition in (001) oriented CoPt and CoPd alloy films International conference

T. Nagata, Y. Tokuoka, T. Kato, D. Oshima, S. Iwata

IEEE International Magnetics Conference 2015

Physiological Magnetic Stimulation on Car Driver's Spine for Arousal Preventing Drowsy Driving without Rebound Sleep and Back Magneto-cardiogram International conference

Y. Mohri, M. Yamada, M. Kawaguchi, S. Kojima, T. Nakano, T. Uchiyama, T. Kato, Y. Inden, K. Mohri

IEEE International Magnetics Conference 2015

Effective damping constant and perpendicular anisotropy of GdFeCo / TbFe exchange coupled bilayer International conference

T. Higashide, B. Dai, D. Oshima, T. Kato, S. Iwata, S. Tsunashima

IEEE International Magnetics Conference 2015

Gilbert damping constant of Co-Pt based alloy films International conference

Y. Kusanagi, S. Okamoto, N. Kikuchi, T. Kato, S. Iwata, O. Kitakami, H. Nemoto

IEEE International Magnetics Conference 2015

Anisotropic X-ray magnetic circular dichroism spectra of (001) oriented L10-MnGa film International conference

D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata

IEEE International Magnetics Conference 2015

Ferromagnetic Resonance and Magnetization Measurement of Single Permalloy Chiral Meta-Molecule

T. Kodama, S. Tomita, T. Kato, S. Iwata, N. Hosoito, H. Yanagi

Magnetic anisotropy of Nd0.5Bi2.5Fe5-yGayO12 (y = 0 ~ 1) films on glass substrates prepared by metal organic decomposition (MOD) method

G. Lou, M. Sasaki, T. Kato, S. Iwata, T. Ishibashi

Study of mechanism for ultrafast magnetization reversal using M-edge resonant magneto-optical Kerr effect with a seeded free electron laser

S. Yamamoto, M. Taguchi, T. Someya, Y. Kubota, S. Ito, H. Wadati, M. Fujisawa, F. Capotondi, E. Pedersoli, M. Manfredda, F. Casolari, M. Kiskinova, J. Fujii, P. Moras, T. Nakamura, T. Kato, S. Shin, I. Matsuda

X-ray Magnetic Circular Dichroism of MnGa Film and Magnetization Curve of Bit Patterned MnGa Film

D. Oshima, T. Negoro, T. Kato, S. Iwata, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima

Magnetic anisotropy of highly Bi-substituted Neodymium Gallium Iron Garnet

M. Sasaki, G. Lou, T. Ishibashi, T. Kato, S. Iwata

貴金属/Co多層膜の垂直磁気異方性とダンピング定数

足立寛太，加藤剛志，大島大輝，岡本聡，菊池伸明，北上修，岩田聡

IEEE Magnetics Society　名古屋支部若手研究会

磁壁位置を制御した磁壁移動方式GMR磁界センサー

中川大佑，大島大輝，加藤剛志，岩田聡

IEEE Magnetics Society　名古屋支部若手研究会

シード型自由電子レーザー，放射光を用いたGdFeCoの時間分解M殻共鳴磁気光学効果の研究

山本真吾，染谷隆史，久保田雄也，伊藤俊，田口宗孝，和達大樹，藤澤正美，Flavio Capotondi，Emanuele Pedersoli，Michele Manfredda，Francesco CaslariC，保原麗，中村哲也，加藤剛志，山本達，Maya Petrova Kiskinova，辛埴，松田巌

第28回日本放射光学会年会放射光科学合同シンポジウム

Fabrication of (001) oriented MnGa films for ion irradiation bit patterned media

T. Negoro, T. Matsunaga, D. Oshima, T. Kato, S. Iwata, S. Tsunashima

Formation and Characterization of High Density FePt Nanodots on SiO2 Induced by Remote Hydrogen Plasma International conference

S. Miyazaki, Y. Kabeya, R. Fukuoka, H. Zhang, K. Makihara, T. Kato, S. Iwata

Mat. Res. Soc. 2014 Fall Meetings

FePt合金ナノドットの高密度形成と磁化特性評価

満行優介，張海，牧原克典，大田晃生，徳岡良浩，加藤剛志，岩田聡，宮崎誠一

応用物理学会SC東海地区学術講演会2014

Structure and magnetic properties of (001) oriented CoPt-Ag and CoPd-Ag films

T. Nagata, T. Tokuoka, D. Oshima, T. Kato, S. Iwata

スピントロニクスデバイスを基盤としたナノ計測技術の開発と物質・材料研究への展開

白土優，加藤剛志，鈴木義茂，三輪真嗣，野崎隆行，荒河一渡

SPring-8シンポジウム2014

Technological trend of the magnetic storage for the development of networking data center with high data capacity (Invited)

T. Kato

Thermally assisted spin transfer torque switching of GdFeCo / TbFe bilayers

K. Asano, B. Dai, T. Kato, S. Iwata, S. Tsunashima

Control of magnetic domain structure for the oscillatory domain wall displacing type GMR field sensor

D. Nakagawa, T. Kato, S. Iwata

Fabrication of giant magnetostrictive FeGa thin films for vibration power generation devices

Y. Takahashi, T. Kato, S. Iwata

Study of M-edge of resonant magneto-optical Kerr effect of GdFeCo with a vacuum ultraviolet seeded-type free electron laser

Sh. Yamamoto, T. Someya, H. Wadati, M. Fujisawa, F Capotondi, E. Pedersoli, M. Manfredda, F. Caslar, R. Hobara, T. Nakamura, T. Kato, S. Yamamoto, M. Kiskinova, S. Shik, I Matsuda

Gilbert damping in magnetic multilayers with perpendicular anisotropy (Invited)

T. Kato, K. Adachi, Y. Kusanagi, S. Okamoto, N. Kikuchi, O. Kitakami, S. Iwata

Magnetic circular dichroism of ion irradiated MnGa film

D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata

Tunneling magnetoresistance effect of Co2Fe(AlSi)-MgF2 granular films

M. Shinoda, Y. Fujiwara, K. Maeda, T. Kato, M. Hattori, M. Jimbo, T. Kobayashi

VNA-FMR of perpendicular magnetic CoPt/Ru films

Y. Kusanagi, S. Okamoto, N. Kikuchi, O. Kitakami, T. Kato, S. Iwata

TbFe layer thickness dependences of perpendicular anisotropy and damping constant for amorphous GdFeCo/TbFe bilayer

T. Higashide, B. Dai, T. Kato, S. Iwata, S. Tsunashima

Fabrication of MnGa(001) films for application to bit patterned media

T. Negoro, M. Tanimoto, D. Oshima, T. Kato, S. Iwata

Structure and magnetic properties of MBE grown CoPt-Ag and CoPd-Ag films

T. Nagata, Y. Tokuoka, Y. Seto, T. Kato, S. Iwata

XAFS study of FeRh thin film showing magnetic and structure transition

Y. Yakisaka, Y. Uemura, T. Yokoyama, Y. Niwa, T. Kimura, D. Oshima, T. Kato, S. Iwata

Crystalline Structure and Magnetic Properties of FePt Alloy Nanodots International conference

K. Makihara, R. Fukuoka, H. Zhang, A. Ohta, Y. Tokuda, T. Kato, S. Iwata, S. Miyazaki

International Conference in Asia 2014

Nano-patterning of MnGa films by ion irradiation (Invited) International conference

T. Kato, D. Oshima, S. Iwata, S. Tsunashima

The 21st Symposium of MSJ Optical Functional Magnetic Devices and Materials

High sensitivity GMR Magnetic Sensors (Invited) International conference

S.Iwata, T. Kato, G. A. Wang

Moscow International Symposium on Magnetism 2014

Variation of Gilbert damping with the layered structure of sputtered Co/Pt and Co/Pd multilayers International conference

T. Kato, K. Adachi, Y. Kusanagi, S. Okamoto, N. Kikuchi, S. Iwata, O. Kitakami, S. Tsunashima

IEEE International Magnetics Conference 2014

Magnetic circular dichroism measurement of ion irradiated MnGa films International conference

D. Oshima, M. Tanimoto, T. Kato, Y. Fujiwara, T. Nakamura, Y. Kotani, S. Tsunashima, S. Iwata

IEEE International Magnetics Conference 2014

FePt合金ナノドットの構造および磁化特性評価

福岡諒，張海，牧原克典，大田晃生，徳岡良浩，加藤剛志，岩田聡，宮崎誠一

第61回春季応用物理学会

局所イオン照射による垂直磁化MnAlビットパターン膜の作製

谷本昌大，大島大輝，根来翼，加藤剛志，岩田聡

電気学会マグネティックス研究会

Fabrication of MnGa(001) films for application to bit patterned media

T. Negoro, M. Tanimoto, D. Oshima, T. Kato, S. Iwata

Thermally assisted spin transfer torque switching of GdFeCo/TbFe bilayers

K. Asano, B. Dai, T. Kato, S. Iwata, S. Tsunashima

Evaluation of damping constant of Co/Pt multilayers

Y. Kusanagi, S. Okamoto, N. Kikuchi, O. Kitakami, T. Kato, S. Iwata

High Density Formation of FePt Alloy Nanodots Induced by Remote Hydrogen Plasma and Characterization of Their Magnetic Properties International conference

R. Fukuoka, H. Zhang, K. Makihara, Y. Tokuoka, T. Kato, S. Iwata, S. Miyazaki

7th International WorkShop on New Group IV Semiconductor Nanoelectronics and JSPS Core-to Core Program Joint Seminar "Atomically Controlled Processing for Ultralarge Scale Integration"

局所磁性制御による垂直磁化ナノパターン形成（招待講演）

加藤剛志

元素戦略プロジェクト研究会「垂直磁気異方性の物理と材料」

Particle size control in CoFeAlSi-MgF2 granular films International conference

M. Shinoda, H. Niwa, Y. Fujiwara, T. Kato, M. Jimbo, T. Kobayashi

Magnetics and Optics Research International Symposium 2013

Diameter control of FePt nanoparticles encapsulated in carbon nanotubes International conference

S. Takase, K. Hori, Y. Fujiwara, H. Sato, K. Maeda, T. Kato, T. Kobayashi, M. Jimbo, S. Iwata

Magnetics and Optics Research International Symposium 2013

Thermally assisted magnetization switching on magnetic tunnel junctions with perpendicularly magnetized TbFe layer International conference

D. Yoshikawa, Y. Fujisawa, T. Kato, S. Iwata, S. Tsunashima

Magnetics and Optics Research International Symposium 2013

Perpendicular anisotropy and Gilbert damping constant of Co/Pt multilayers International conference

K. Adachi, T. Kato, S. Okamoto, N. Kikuchi, O. Kitakami, S. Iwata

Magnetics and Optics Research International Symposium 2013

High density formation of FePt alloy nanodots on SiO2 induced by remote hydrogen plasma International conference

R. Fukuoka, H. Zhang, K. Makihara, Y. Tokuoka, T. Kato, S. Iwata, S. Miyazaki

Magnetics and Optics Research International Symposium 2013

Bit pattern formation of spinel ferromagnetic oxides by Kr ion implantation International conference

E. Kita, Y. Liu, Y. Utsumi, J. Morishita, K. Suzuki, T.Kato, T. Niizeki, K. Mibu, H.Yanagihara

The 58th Magnetism and Magnetic Materials Conference

Switching field distribution of bit patterned MnGa films fabricated by ion irradiation International conference

D. Oshima, T. Kato, S. Iwata, S. Tsunashima

The 58th Magnetism and Magnetic Materials Conference

Effect of Ag addition to L10 FePt and L10 FePd films grown by molecular beam epitaxy International conference

Y. Tokuoka, Y. Seto, T. Kato, S. Iwata

The 58th Magnetism and Magnetic Materials Conference

Magnetic properties and microstructures of polymer functionalized Fe3O4 nanoparticles as active material for surface plasmon resonance (SPR) biosensor International conference

E. Suharyadi, A. Riyanto, S. Husen, E. Astuti, S. Nuzully, T. Kato, S. Iwata, K. Abraha

International Conference on Innovation in Polymer Science and Technology

Magnetoresistance property of [Co/Pd] / ZnO / [Co/Pd] junction

T. Kaneshiro, K. Tsuda, T. Kato, S. Iwata

Fabrication of bit patterned media by Kr+ ion irradiation on Mn-based alloy films

M. Tanimoto, D. Oshima, T. Kato, S. Iwata

Control of granules in Co2FeAl0.5Si0.5-MgF2 granular films

M. Shinoda, H. Niwa, Y. Fujiwara, K. Maeda, T. Kato, M. Jimbo, T. Kobayashi

Magnetic strain sensor using GMR effect

H. Ito, H. Kim, T. Kato, S. Iwata

Effect of Kr+ ion irradiation on perpendicular anisotropy and orbital moment of CrPt3

T. Kato, D. Oshima, M. Tanimoto, Y. Fujiwara, T. Nakamura, S. Iwata

Perpendicular anisotropy and damping constant of Co/Pt multilayers

K. Adachi, T. Kato, S. Okamoto, N. Kikuchi, O. Kitakami, S. Iwata

Temperature dependence of STT switching for amorphous GdFeCo/TbFe bilayer with perpendicular magnetic anisotropy

B. Dai, T. Kato, S. Iwata, S.Tsunashima

Thermally Assisted Magnetic Switching on Magnetic Tunnel Junctions with TbFe layer with perpendicular anisotropy

D. Yoshikawa, T. Kato, S. Iwata

Switching field distribution of ion irradiation bit patterned MnGa film

D. Oshima, T. Kato, S. Iwata, S. Tsunashima

Structure and magnetic properties of MBE grown FePt-Ag and FePd-Ag films

Y. Tokuoka, Y. Seto, R. Ikeda, T. Kato, S. Iwata

Structure and magnetic properties of (001) oriented FePt-Ag and FePd-Ag films

Y. Tokuoka, Y. Seto, T. Kato, S. Iwata

Magnetic nano-patterning of magnetic films by local ion irradiation (Invited)

T. Kato, D. Oshima, M. Tanimoto, S. Iwata

Controlling the Magnetic Properties of Cr-Implanted Co/Pt International conference

E. Suharyadi, T. Kato, S. Iwata

International Symposium on Advanced Magnetic Materials and Applications 2013

Switching field distribution measurement of ion beam patterned MnGa film International conference

D. Oshima, T. Kato, S. Iwata, S. Tsunashima

International Symposium on Advanced Magnetic Materials and Applications 2013

Effect of Kr+ Ion Irradiation on Orbital Moment of CrPt3 Alloy Film International conference

T. Kato, D. Oshima, M. Tanimoto, Y. Fujiwara, T. Nakamura, S. Iwata

International Symposium on Advanced Magnetic Materials and Applications 2013

Fabrication of MnGa bit patterned media by ion irradiation

D. Oshima, T. Kato, S. Iwata, S. Tsunashima

Ion beam irradiation for the fabrication of planer bit patterned media (Invited) International conference

T. Kato, D. Oshima, M. Tanimoto, S. Iwata, S. Tsunashima

Collaborative Conference on Materials Research

Patterning of magnetic films by ion irradiation for ultra high density data storage (Invited) International conference

T. Kato, D. Oshima, M. Tanimoto, S. Iwata, S. Tsunashima

2nd International Congress on Advanced Materials

Pulse Train Distributed Magnetic Field Generated from Reinforced High-strength Concrete Using Magnetized Olivine Stone Aggregate International conference

K. Mohri, M. Sasaki, T. Uemura, Y. Mohri, M. Yamada, T. Kato

The 33rd Progress in Electromagnetics Research Symposium

Thermally assisted switching on magnetic tunnel junctions with perpendicular magnetized TbFe memory layer

Y. Fujisawa, D. Yoshikawa, T. Kato, S. Iwata, S. Tsunashima

高磁気異方性MnGa膜を用いたビットパターン媒体

加藤剛志，大島大輝，谷本昌大，岩田聡，綱島滋

KEK 筑波大学等連携支援事業「磁気異方性材料と放射光実験」

Structures and Magnetic Properties of Cobalt Ferrite (CoFe2O4) Nanoparticles Synthesized by Chemical Co-Precipitation Method International conference

N. Shabrina, H. Utami, N. Fahmi, E. Setiadi, T. Kato, E. Suharyadi

The 10th Hokkaido Indonesia Student Association Scientific Meeting

Synthesis of L10-ordered FePt nanoparticles encaged in carbon nanotubes International conference

K. Hori, T. Kaneko, Y. Fujiwara, H. Sato, K. Maeda, T. Kato, T. Kobayashi, S. Iwata, M. Jimbo

5th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials

Pulse width and temperature dependences of critical current density of spin transfer torque switching amorphous GdFeCo for thermally assisted MRAM International conference

B. Dai, T. Kato, S. Iwata, S. Tsunashima

12th Joint MMM/Intermag Conference

Planar bit patterned media fabricated by ion beam irradiation (Invited) International conference

T. Kato, D. Oshima, M. Tanimoto, Q. Xu, S. Iwata, S. Tsunashima

2012 Energy Materials Nanotechnology Fall Meeting

Gilbert damping of Co/Pd multilayers with perpendicular anisotropy International conference

S. Kashima, T. Kato, Y. Matsumoto, S. Okamoto, N. Kikuchi, O. Kitakami, S. Iwata, S. Tsunashima