日本学術振興会　特別研究員（DC）

2008.4 - 2009.3

Electric field enhancement of the superconducting spin-valve effect via strain-transfer across a ferromagnetic/ferroelectric interface Reviewed

Tomohiro Kikuta, Sachio Komori, Keiichiro Imura, and Tomoyasu Taniyama

APL Mater.   Vol. 12   page： 071115   2024.7

Thermoelectric power of mixed-valence golden-SmS under pressure Reviewed

Keiichiro Imura, Yuki Ikeo, Kazuhiko Sakamoto, Shinjirou Yokota, and Noriaki K. Sato

New Physics: Sae Mulli   Vol. 73   page： 1094   2023.12

Current-Induced Metallization and Valence Transition in Black SmS Reviewed

Shin-ichi Kimura,Hiroshi Watanabe,Shingo Tatsukawa,Takuto Nakamura,Keiichiro Imura,Hiroyuki S.Suzuki,and Noriaki K.Sato

J. Phys. Soc. Jpn.   Vol. 93   page： 013701   2023.12

Controllable Perpendicular Magnetic Anisotropy in Fe/Fe100-xRhx Heterostructures Probed by Ferromagnetic Resonance Reviewed

Hiroki Omura, Sachio Komori, Shigeo Arai, Kahoru Yoda, Keiichiro Imura, and Tomoyasu Taniyama

Physical Review Applied   Vol. 19   page： 064077   2023.6

Interlayer coupling-dependent magnetoelastic response in synthetic antiferromagnets Reviewed

Yuichi Hisada, Sachio Komori, Keiichiro Imura, and Tomoyasu Taniyama

Appl. Phys. Lett.   Vol. 122   page： 222402   2023.5

Improved Active-dummy Technique with Strain Gauges for Low-temperature Thermal Expansion Measurement Reviewed

Keiichiro Imura, Noriyuki Kabeya, Yusuke Nishi, Misato Takahashi, and Noriaki K. Sato

JPS Conf. Proc.   Vol. 38   page： 011194   2023.5

Surface valence transition in SmS by alkali metal adsorption Reviewed

Takuto Nakamura, Toru Nakaya, Yoshiyuki Ohtsubo, Hiroki Sugihara, Kiyohisa Tanaka, Ryu Yukawa, Miho Kitamura, Hiroshi Kumigashira, Keiichiro Imura, Hiroyuki S. Suzuki, Noriaki K. Sato, and Shin-ichi Kimura

Phys. Rev. B   Vol. 107   page： L041102   2023.1

Yb系準結晶・近似結晶とSmSにおける価数揺動と非フェルミ液体挙動 Invited Reviewed

井村敬一郎、佐藤憲昭

高圧力の科学と技術   Vol. 32 ( 1 ) page： 12 - 19   2022.9

Effects of Electron Correlation and Geometrical Frustration on Magnetism of Icosahedral Quasicrystals and Approximants: An Attempt to Bridge the Gap between Quasicrystals and Heavy Fermions Invited Reviewed

Noriaki K. Sato, Tsutomu Ishimasa, Kazuhiko Deguchi, and Keiichiro Imura

J. Phys. Soc. Jpn.   Vol. 91 ( 7 ) page： 072001   2022.6

Electronic Structure of K Adsorbed SmS Surface

T. Nakamura, T. Nakaya, H. Sugihara, K. Tanaka, K. Imura, H.S. Suzuki, N.K. Sato and S. Kimura

UVSOR Activity Report 2021     page： 135   2022

Spectral Evidence of Current-Induced Local-to-Nonlocal Transition of SmS

H. Watanabe, S. Tatsukawa, K. Imura, H.S. Suzuki, N.K. Sato and S. Kimura

UVSOR Activity Report 2021     page： 92   2022

準結晶における電子相関効果―重いフェルミ液体と非フェルミ液体そして超伝導― Invited Reviewed

佐藤憲昭・出口和彦・井村敬一郎

固体物理   Vol. 56   page： 557   2021.11

Observation of Magnetic Order in the Anomalous Metallic Phase of SmS Reviewed

    2021.1

Kondo-induced giant isotropic negative thermal expansion Reviewed International coauthorship

Daniel G. Mazzone, Maxim Dzero, Milinda Abeykoon, Hitoshi Yamaoka, Hirofumi Ishii, Nozomu Hiraoka, Jean-Pascal Rueff, James Ablett, Keiichiro Imura, Hiroyuki S. Suzuki, Jason N. Hancock and Ignace Jarrige

Phys. Rev. Lett.     2020.3

Non-linear conduction phenomena of black-SmS Reviewed

Hideyuki Ando, Kazushi Sakamoto, Keiichiro Imura, Kazuhiko Deguchi, Hiroyuki S. Suzuki and Noriaki K. Sato

JPS Conf. Proc.   Vol. 30   page： 011132   2020.3

Pressure and Temperature Evolution of Sm Mean-Valence in Golden SmS Reviewed International coauthorship

Keiichiro Imura, Yo Suzuki, Naoya Kawade, Kazushi Sakamoto, Kazuhiko Deguchi, Hitoshi Yamaoka, Yoshiya Yamamoto, Jun-ichiro Mizuki, Nozomu Hiraoka, Hirofumi Ishii, Hiroyuki S. Suzuki, and Noriaki K. Sato

JPS Conf. Proc.   Vol. 30   page： 011131   2020.3

Local Quantum Fluctuations in Kondo Quasicrystal Approximant Ag-In-(CexY1-x)

Sawano Takuya, Shiino Takayuki, Imura Keiichiro, Deguchi Kazuhiko, Ohhashi Satoshi, Tsai An-Pang, Sato Noriaki K.

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 89 ( 1 )   2020.1

準結晶における強相関効果の発見ー数学を具現化する物質で見つかった非従来型量子臨界現象 Reviewed

佐藤憲昭、出口和彦、井村敬一郎

日本物理学会誌   Vol. 74 ( 11 ) page： 774-779   2019.11

Ultrafast electronic relaxation dynamics in a valence fluctuation material Sm0.83Y0.17S

Ikeda Ryohei, Watanabe Hiroshi, Negoro Yusuke, Takeno Yusuke, Imura Keiichiro, Suzuki Hiroyuki S., Sato Noriaki K., Kimura Shin-ichi

12TH INTERNATIONAL CONFERENCE ON EXCITONIC AND PHOTONIC PROCESSES IN CONDENSED MATTER AND NANO MATERIALS (EXCON 2018)   Vol. 1220   2019

Simultaneous scanning near-field optical and X-ray diffraction microscopy for correlative nanoscale structure-property characterization Reviewed

Qian Li, Samuel D. Marks, Sunil Bean, Michael Fisher, Donald A. Walko, Anthony D. DiChiara, Xinzhong Chen, Keiichiro Imura, Noriaki K. Sato, Mengkun Liu, Paul G. Evans and Haidan Wen

J. Synchrotron Rad.   Vol. 26   2019

Pressure effects on Ce-based Kondo approximant crystal

Sawano Takuya, Shinagawa Yuta, Shiino Takayuki, Imura Keiichiro, Deguchi Kazuhiko, Sato Noriaki K.

AIP ADVANCES   Vol. 8 ( 10 )   2018.10

Possible quantum valence criticality in CeCu6-xAux

Shiino Takayuki, Nobe Kohei, Imura Keiichiro, Deguchi Kazuhiko, Sato Noriaki K.

PHYSICA B-CONDENSED MATTER   Vol. 536   page： 169-172   2018.5

Discovery of superconductivity in quasicrystal

Kamiya K., Takeuchi T., Kabeya N., Wada N., Ishimasa T., Ochiai A., Deguchi K., Imura K., Sato N. K.

NATURE COMMUNICATIONS   Vol. 9   2018.1

Possible quantum valence criticality in CeCu6-xAux Reviewed

Takayuki Shiino, Kohei Nobe, Keiichiro Imura, Kazuhiko Deguchi, Noriaki K. Sato

Physica B   Vol. 536   page： 169   2018

Near-field spectroscopic investigation of dual-band heavy fermion metamaterials

Corder Stephanie N. Gilbert, Chen Xinzhong, Zhang Shaoqing, Hu Fengrui, Zhang Jiawei, Luan Yilong, Logan Jack A., Ciavatti Thomas, Bechtel Hans A., Martin Michael C., Aronson Meigan, Suzuki Hiroyuki S., Kimura Shin-ichi, Iizuka Takuya, Fei Zhe, Imura Keiichiro, Sato Noriaki K., Tao Tiger H., Liu Mengkun

NATURE COMMUNICATIONS   Vol. 8   2017.12

Discovery of Quantum-Criticality-Like Behavior in Dilute Kondo System: CexLa1-xCu5.62Au0.38

Shiino Takayuki, Shinagawa Yuta, Imura Keiichiro, Deguchi Kazuhiko, Sato Noriaki K.

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 86 ( 12 )   2017.12

Direct observation of heterogeneous valence state in Yb-based quasicrystalline approximants Reviewed

M. Matsunami, M. Oura, K. Tamasaku, T. Ishikawa, S. Ideta, K. Tanaka, T. Takeuchi, T. Yamada, A. P. Tsai, K. Imura, K. Deguchi, N. K. Sato, and T. Ishimasa

Phys. Rev. B   Vol. 96   page： 241102(R)   2017.12

Direct observation of heterogeneous valence state in Yb-based quasicrystalline approximants

Matsunami M., Oura M., Tamasaku K., Ishikawa T., Ideta S., Tanaka K., Takeuchi T., Yamada T., Tsai A. P., Imura K., Deguchi K., Sato N. K., Ishimasa T.

PHYSICAL REVIEW B   Vol. 96 ( 24 )   2017.12

Near field spectroscopic incestigation of dual band heavy fermion metamaterials Reviewed

Stephanie N. Gilbert Corder, Xinzhong Chen, Shaoqing Zhang, Fengrui Hu, Jiawei Zhang, Yilong Luan, Jack A. Logan, Thomas Ciavatti, Hans A. Bechtel, Michael C. Martin, Meigan Aronson, Hiroyuki S. Suzuki, Shin-ichi Kimura, Takuya Iizuka, Zhe Fei, Keiichiro Imura, Noriaki K. Sato, Tiger H. Tao, and M. K. Liu

Nat. Commun.   Vol. 8   page： 2262   2017.12

Discovery of Quantum-Criticality-Like Behavior in Dilute Kondo System CexLa1-xCu5.62Au0.38 Reviewed

Takayuki Shiino, Yuta Shinagawa, Keiichiro Imura, Kazuhiko Deguchi, and Noriaki K. Sato

J. Phys. Soc. Jpn.   Vol. 86   page： 123705   2017.11

First Observation of Heavy Fermion Behavior in Ce-based Icosahedral Approximant Reviewed

K. Imura, K. Nobe, K. Deguchi, M Matsunami, H. Miyazaki, A. Yasui, E. Ikenaga, and N. K. Sato

J. Phys. Soc. Jpn.   Vol. 86   page： 093702   2017.8

Quantum critical behavior in magnetic quasicrystals and approximant crystals Reviewed

N. K. Sato, S. Matsukawa, K. Nobe, K. Imura, K. Deguchi, T. Ishimasa

Journal of Physics: Conf. Series   Vol. 868   page： 012005   2017.7

Observation of Systematic Variation in Yb Ion Valence as a Function of Interatomic Spacing in Icosahedral Approximant Crystals

Hayashi Minami, Deguchi Kazuhiko, Matsukawa Shuya, Imura Keiichiro, Sato Noriaki K.

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 86 ( 4 )   2017.4

Anticorrelation between polar lattice instability and superconductivity in the Weyl semimetal candidate MoTe2

Takahashi H., Akiba T., Imura K., Shiino T., Deguchi K., Sato N. K., Sakai H., Bahramy M. S., Ishiwata S.

PHYSICAL REVIEW B   Vol. 95 ( 10 )   2017.3

Anticorrelation between polar lattice instability and superconductivity in the Weyl semimetal candidate MoTe2 Reviewed

H. Takahashi, T. Akiba, K. Imura, T. Shiino, K. Deguchi, N. K. Sato, H. Sakai, M. S. Bahramy, and S. Ishiwata

Phys. Rev. B   Vol. 95   page： 100501(R)   2017.3

Observation of Systematic Variation in Yb Ion Valence as a Function of Interatomic Spacing in Icosahedral Approximant Crystals Reviewed

Minami Hayashi, Kazuhiko Deguchi, Shuya Matsukawa, Keiichiro Imura, and Noriaki K. Sato

J. Phys. Soc. Jpn.   Vol. 86   page： 043702   2017.3

Magnetic Properties of the Au-Al-Yb Approximant under Hydrostatic Pressure

Shuya Matsukawa, Kazuhiko Deguchi, Keiichiro Imura, Tsutomu Ishimasa, and Noriaki K. Sato

J. Phys.: Conf. Ser.   Vol. 809   page： 012013   2017

Magnetic Properties of the Au-Al-Yb Approximant under Hydrostatic Pressure

Matsukawa Shuya, Deguchi Kazuhiko, Imura Keiichiro, Ishimasa Tsutomu, Sato Noriaki K.

13TH INTERNATIONAL CONFERENCE ON QUASICRYSTALS (ICQ13)   Vol. 809   2017

Pressure driven quantum criticality and TH scaling in the icosahedral AuAlYb approximant Reviewed

Shuya Matsukawa, Kazuhiko Deguchi, Keiichiro Imura, Tsutomu Ishimasa, and Noriaki K. Sato

Journal of the Physical Society of Japan   Vol. 85   page： 063706   2016.5

Crystal Structure of Superconducting 1/1 Cubic Au-Ge-Yb Approximant with Tsai-type Cluster

Kazuhiko Deguchi, Mika Nakayama, Shuya Matsukawa, Keiichiro Imura, Katsumasa Tanaka, Tsutomu Ishimasa, Noriaki K. Sato

J. Phys. Soc. Jpn.   Vol. 84   page： 015002   2015

Origin of the black golden transition in Sm1-xYxS Reviewed

Keiichiro Imura, Mai Saito, Masaki Kaneko, Takahiro Ito, Tetsuya Hajiri, Masaharu Matsunami, Shin-ichi Kimura, Kazuhiko Deguchi, Hiroyuki S. Suzuki and Noriaki K. Sato

J. Phys: Conf. Series   Vol. 592   page： 012028   2015

Localized electron magnetism in the icosahedral Au-Al-Tm quasicrystal and crystalline approximant

Mika Nakayama, Katsumasa Tanaka, Shuya Matsukawa, Kazuhiko Deguchi, Keiichiro Imura, Tsutomu Ishimasa and Noriaki K. Sato

J. Phys. Soc. Jpn.   Vol. 84   page： 024721   2015

Superconductivity of Au-Ge-Yb Approximants with Tsai-type Clusters

Kazuhiko Deguchi, Mika Nakayama, Shuya Matsukawa, Keiichiro Imura, Katsumasa Tanaka, Tsutomu Ishimasa and Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 84   page： 023705   2015

Electrical oscillation in SmS induced by a constant external voltage Reviewed

H. Takahashi, R. Okazaki, H. Taniguchi, I. Terasaki, M. Saito, K. Imura, K. Degichi, N. K. Sato

  Vol. 89   page： 195103   2014.5

Valence Change Driven by Constituent Element Substitution in the Mixed-Valence Quasicrystal and Approximant Au-Al-Yb Reviewed

Shuya Matsukawa, Katsumasa Tanaka, Mika Nakayama, Kazuhiko, Deguchi, Keiichiro Imura, Hiroyuki Takakura, Shiro Kashimoto, Tsutomu Ishimasa, and Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 83   page： 034705   2014.2

Angle-Resolved Photoemission Study on Insulator-to-Metal Transition of Sm1-xYxS Reviewed

M. Kaneko, M. Saito, T. Ito, K. Imura, T. Hajiri, M. Matsunami, S. Kimura, H. S. Suzuki, N. K. Sato

JPS Conf. Prof.   Vol. 3   page： 011080   2014

Transport properties of the Au-Al-Yb Quasicrystal and Approximant under Hydrostatic pressure Reviewed

S. Matsukawa, K. Tanaka, M. Nakayama, S. Kunikata, K. Deguchi, K. Imura, T. Ishimasa and N.K. Sato

Acta Physica Polonoca A   Vol. 126   page： 527   2014

Angle-resoved photoemission spectroscopy on mixed-valence Sm1-xYxS Reviewed

K. Imura, T. Hajiri, M. Matsunami, S. Kimura, M. Kaneko, Y. Nishi, N. K. Sato, H. S. Suzuki

J. Korean Phys. Soc.   Vol. 62   page： 2028   2013.6

Unified understanding of the valence transition in the rare-earth monochalcogenides under pressure Reviewed

I. Jarrige, H. Yamaoka, J. -P. Rueff, J. -F. Lin, M. Taguchi, N. Hiraoka, H. Ishii, K. D. Tsuei, K. Imura, T. Matsumura, A. Ociai, A. Kotani

Phys. Rev. B   Vol. 87   page： 114107   2013

New method for determining the valence of lanthanide compounds: Lg4 emission spectroscopy Reviewed

H. Hayashi, N. Kanai, N. Kawamura, M. Mizumaki, K. Imura, N. K. Sato, H. S. Suzuki, F. Iga

J. Anal. At. Spectrom.     2013

Superconducting niobium nitride thin films by reactive pulsed laser deposition Reviewed

Y. Ufuktepe, A. H. Farha, S-I. Kimura, T. Hajiri, K. Imura, M. A. Mamun, F. Karadag, A. A. Elmustafa, H. E. Elsayed-Ali

Thin Solid Films   Vol. 545   page： 601   2013

Thermoelectric power investigation of SmS under pressure Reviewed

S. Kanematsu, K. Imura, H. S. Suzuki, K. Deguchi, N. K. Sato

J. Phys.: Conf. Series   Vol. 391   page： 012027   2012

Fabrication of single crystalline EuO thin films with SrO buffer layer on SrTiO3 substrate Reviewed

H. Miyazaki, H. Momiyama, T. Hajiri, T. Ito, K. Imura, M. Matsunami, S. Kimura

J. Phys.: Conf. Series   Vol. 391   page： 012047   2012

Design of a dedicated beamline for THz coherent syncrotron radiation at UVSOR-III Reviewed

Shin-ichi Kimura, Eiken Nakamura, Keiichiro Imura, Masahito Hosaka, Toshiharu Takahashi, Masahiro Katoh

J. Phys.: Conf. Series   Vol. 359   page： 012704   2012

Thermoelectric Power Investigation on SmS. Reviewed

Keiichiro Imura, Shinkichi Kanematsu, Kazuhiko Deguchi, Hiroyuki S Suzuki, Kazuyuki Matsubayashi, Noriaki K Sato

J. Phys. Soc. Jpn   Vol. 80   page： SA077   2011

Discontinuous Transition from a Real Bound State to Virtual Bound State in a Mixed-Valence State of SmS Reviewed

K. Imura, S. Kanematsu, K. Matsubayashi, H. S. Suzuki, K. Deguchi, N. K. Sato

J. Phys. Soc. Jpn   Vol. 80   page： 113704   2011

Interplay of the superconductivity and magnetism in Eu0.7Na0.3Fe2As1.4P0.6 Reviewed

Y. R. Jang, J. B. Hong, B. H. Min, M. A. Jung, Y. Y. Song, H. J. Oh, K. J. Lee, M. H. Jung, S. Kanematsu, K. Imura, K. Deguchi, N. K. Sato, Y. S. Kwon

Supercond. Sci. Technol.   Vol. 24   page： 085017   2011

Correlation of Ferromagnetism and Superconductivity in UCoGe Reviewed

N. K. Sato, K. Deguchi, K. Imura, N. Kabrya, N. Takura, K. Yamamoto

AIP Conf. Proc.   Vol. 1347   page： 132   2011

Construction of a Magnetometer Using a Piezo Actuator Reviewed

Deguchi Kazuhiko, Tsuyoshi Furukawa, Seiko Ban, Keiichiro Imura, Kazuyui Matsubayashi, Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 80   page： SA108   2011

Thermal Expansion Measurements Using the Strain Gauge Technique with Kelvin Double Bridge Reviewed

Noriyuki Kabeya, Keiichiro Imura, Kazuhiko Deguchi, Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 80   page： SA098   2011

Tricritical point of a ferromagnetic transition in UGe2 Reviewed

N. Kabeya, R. Iijima, E. Osaki, S. Ban, K, Imura, K. Deguchi, N. Aso, Y. Homma, Y. Shiokawa, N. K. Sato

J. Phys.: Conf. Series   Vol. 200   page： 032028   2010

Electrical resistivity and thermal expansion investigation of golden SmS under pressure Reviewed

Keiichiro Imura, Kazuyuki Matsubayashi, Hiroyuki S Suzuki, Kazuhiko Deguchi, Noriaki K Sato

J. Phys.: Conf. Series   Vol. 200   page： 012067   2010

First-order transition switch-off of superconductivity in UGe2 Reviewed

N. Kabeya, R. Iijima, E. Osaki, S. Man, K, Imura, K. Deguchi, N. Aso, Y. Homma, Y. Shiokawa, N. K. Sato

Physica B   Vol. 404   page： 3238-3241   2009

Pressure-Temperature Phase diagram of Golden SmS Reviewed

Keiichiro Imura, Kazuyuki Matsubayashi, Hiroyuki S. Suzuki, Noriyuki Kabeya, Kazuhiko Deguchi, Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 78   page： 104602   2009

Thermodynamic and transport properties of SmS under pressure Reviewed

K. Imura, K. Matsubayashi, H. S. Suzuki, K. Deguchi, N. K. Sato

Physica B   Vol. 404   page： 3028-3031   2009

Transport properties of golden SmS Reviewed

K. Imura, K. Matsubayashi, H.S. Suzuki, K. Deguchi and N.K. Sato

Physica B   Vol. 403   page： 895-897   2008

Excitonic Instability in the Transition from the Black Phase to the Golden Phase of SmS under Pressure Investigated by Infrared Spectroscopy Reviewed

Takafumi Mizuno, Takuya Iizuka, Shin-ichi Kimura, Kazuyuki Matsubayashi, Keiichiro Imura, Hiroyuki S. Suzuki, and Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 77   page： 113704   2008

Pressure and magnetic field effect on transport gap of black SmS Reviewed

K. Imura, K. Matsubayashi, H. S. Suzuki, K. Deguchi, N. K. Sato

J. Phys.: Conf. Series   Vol. 121   page： 032014   2008

Infrared study on the electronic structure of SmS in the black phase Reviewed

Shin-ichi Kimura, Takafumi Mizuno, Kazuyuki Matsubayashi, Keiichiro Imura, Hiroyuki S. Suzuki and Noriaki K. Sato

Physica B   Vol. 403   page： 805-807   2008

Magnetic properties of golden SmS Reviewed

K. Matsubayashi, K. Imura, H.S. Suzuki, S. Ban, G.F. Chen, K. Deguchi and N.K. Sato

J. Magn. Magn. Matt.   Vol. 310   page： 408-410   2007

Effect of Nominal Composition on Transport, Optical, Magnetic, and Thermodynamic Properties of SmS Single Crystals Reviewed

Kazuyuki Matsubayashi, Keiichiro Imura, Hiroyuki S. Suzuki, Takafumi Mizuno, Shin-ichi Kimura, Takashi Nishioka, Kazuto Kodama, and Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 76   page： 064601   2007

Pseudogap Formation near at the Border of an Insulator-Metal Transition in SmS Reviewed

Kazuyuki Matsubayashi, Keiichiro Imura, Hiroyuki S. Suzuki, Genfu Chen, Nobuo Mori, Takashi Nishioka, Kazuhiko Deguchi, and Noriaki K. Sato

J. Phys. Soc. Jpn   Vol. 76   page： 033602   2007

Magnetoresistivity and Hall effect investigations under pressure on SmS Reviewed

K. Imura, K. Matsubayashi, H.S. Suzuki, K. Deguchi and N.K. Sato

J. Magn. Magn. Matt.   Vol. 310   page： e54-e56   2007

Thermal expansion study on high-pressure phases of SmS Reviewed

K. Imura, K. Matsubayashi, H.S. Suzuki, T. Nishioka, N. Mori and N.K. Sato

Physica B   Vol. 378-380   page： 728-729   2006

Specific heat measurement in golden-SmS Reviewed

K. Matsubayashi, K. Imura, H.S. Suzuki, G. Chen and N.K. Sato

Physica B   Vol. 378-380   page： 726-727   2006

Single crystal growth of pure SmS Reviewed

Kazuyuki Matsubayashi, Hiroyuki S. Suzuki, Keiichiro Imura, Takashi Nishioka and Noriaki K. Sato

Physica B   Vol. 359-361   page： 151-153   2005

学生実験レポートの現状 Invited

井村敬一郎

名古屋大学物理学教室憲章記念講演会  2024.6.13 

Yb系準結晶・近似結晶における価数揺らぎと量子臨界現象 Invited

井村敬一郎

第99回SPring-8先端利用技術ワークショップ「X線発光分光・高エネルギー分解能XAFS分光による電子状態研究」  2024.3.22 

価数揺動ハイパーマテリアルの量子臨界現象

井村敬一郎

新学術領域研究ハイパーマテリアル第11回領域会議  2024.3.5 

(Au,Cu)-Ga-Yb系準結晶・近似結晶のYbの価数変化と低温磁性

榊原佑弥，井村敬一郎，山岡人志，平岡望，石井啓文，桑野太郎，谷口博基，出口和彦

日本物理学会 第78回年次大会   2023.9.16 

Yb系近似結晶Au-Al-YbおよびZn-Au-Ybにおける圧力誘起価数転移

井村敬一郎、米山祐樹、安藤秀行、壁谷典幸、山岡人志、平岡望、石井啓文、石政勉、佐藤憲昭

日本物理学会 第78回年次大会  2023.9.18 

Key Factors Determining Tc-switching in Oxide Superconducting Spin-valves International conference

Sogo Suzuki, Sachio Komori, Keiichiro Imura, Tomoyasu Taniyama

11th International Symposium on Metallic Multilayers  2023.7.24 

Anomalous Ferromagnetic Resonance In [Co/Ni] Multilayer/Pt/Fe Heterostructures International conference

Toma Izumi, Yuichi Hisada, Sachio Komori, Keiichiro Imura, Tomoyasu Taniyama

11th International Symposium on Metallic Multilayers  2023.7.24 

Fabrication of Thermoelectric-power Measurement System Under Extreme Conditions and Its Application to Mixed-valence Compound Golden-SmS International conference

Keiichiro Imura, Yuki Ikeo, Kazushi Sakamoto, Noriaki Sato

International Conference on Strongly Correlated Electron Systems 2023  2023.7.4 

Yb系近似結晶における圧力誘起価数転移

井村敬一郎

新学術領域研究ハイパーマテリアル第10回領域会議  2023.5.29 

Co/Ru/Co人工反強磁性体における磁気異方性への電界効果

久田優一, 小森祥央, 井村敬一郎, 谷山智康

第70回応用物理学会春季学術講演会  2023.3.15 

硫化サマリウムの光誘起非線形バンドシフトと価数転移

陳奕同, 中村拓人, 渡邉浩, 鈴木剛, 任千慧, 劉珂成, Zhong Yigui, 金井輝人, 板谷治郎, 辛埴, 岡崎浩三, 井村敬一郎, 鈴木博之, 佐藤憲昭, 木村真一

第70回応用物理学会春季学術講演会  2023.3.18 

Crossover from Quantum-Critical to Mixed-Valence Regime in Au-Al-Yb 1/1 approximant crystals Invited

2022.12.22 

YBCO/LSMO/PMN-PTヘテロ構造における超伝導転移温度の電界制御

菊田智弘, 小森祥央, 井村敬一郎, 谷山智康

2022年 第83回　応用物理学会　秋期学術講演会  2022.9 

LSMO/YBCO/LSMO超伝導スピンバルブにおける2つの対破壊効果

鈴木聡悟, 小森祥央, 井村敬一郎, 谷山智康

2022年 第83回　応用物理学会　秋期学術講演会  2022.9 

SmSの輸送および熱特性 Invited

井村敬一郎

エキシトン凝縮とフラクタル超伝導研究会  2022.9.16 

black-SmSにおける低温電気伝導特性と熱膨張

井村敬一郎、星野祐介、池尾優輝、出口和彦、壁谷典之、鈴木博之、佐藤憲昭

日本物理学会　2022年秋期大会  2022.9.14 

硫化サマリウムにおける電流誘起絶縁体金属転移の観測

立川槙吾, 渡邊浩, 井村敬一郎, 鈴木博之, 佐藤憲昭, 木村真一

日本物理学会　2022年秋期大会  2022.9 

時間分解X線散乱を用いたSmSの光誘起相転移ダイナミクスの観測

渡邊浩, 陳奕同, 中村拓人, 立川槙吾, 高橋龍之介, 和達大樹, 玉作賢治, 大沢仁志, 井村敬一郎, 鈴木博之, 佐藤憲昭, 木村真一

日本物理学会　2022年秋期大会  2022.9 

Au_x_Al_86-x_Yb_14_近似結晶における電子状態と磁気特性

井村敬一郎, 米山祐樹, 横田晋次郞, 坂本和司, 出口和彦, 山岡人志, 平岡望, 石井啓文, 佐藤憲昭

日本物理学会　2022年秋期大会  2022.9.14 

Co/Ru/Co人工フェリ磁性体の磁化過程

久田優一, 小森祥央, 井村敬一郎, 谷山智康

日本磁気学会　第46回学術講演会  2022.9 

Improved active-dummy technique with strain gauges for low-temperature thermal expansion measurement International conference

K. Imura, N. Kabeya, Y. Nishi, M. Takahashi, and N.K. Sato

29th International Conference on Low Temperature Physics 

Electric Field Control of the Superconducting Transition Temperature in Nb/Co/PMN-PT Heterostructures International conference

Tomohiro Kikuta, Sachio Komori, Keiichiro Imura, Tomoyasu Taniyama

24th International Colloquim on Magnetic Films and Surfaces 

Ferromagnetic Resonance and Magnetic Damping Anomaly in Fe1-xRhx Ordered Alloy Thin Films International conference

Sachio Komori, Yuko Osawa, Hiroki Omura, Keiichiro Imura, Tomoyasu Taniyama

24th International Colloquim on Magnetic Films and Surfaces 

Controllable Perpendicular Magnetic Anisotropy in Fe/FeRh Heterostructures Probed by Ferromagnetic Resonance International conference

Sachio Komori, Hiroki Omura, Keiichiro Imura, Tomoyasu Taniyama

24th International Colloquim on Magnetic Films and Surfaces 

Electric Field Effects in Co/Ru/Co/PMN-PT Multiferroic Synthetic Antiferromagnets International conference

Yuichi Hisada, Sachio Komori, Keiichiro Imura, Tomoyasu Taniyama

24th International Colloquim on Magnetic Films and Surfaces 

Asymmetric electric field induced magnetic anisotropy in Fe70Co30/PMN-PT heterostructures International conference

Keiichiro Imura, Tatsuki Kanno, Sachio Komori, Tomoyasu Taniyama

24th International Colloquim on Magnetic Films and Surfaces 

Control of magnetic ordering of La1－xSrxMnO3/BaTiO3(100) heterostructures International conference

Keiichiro Imura, Shota Ishikawa, Sachio Komori, Tomoyasu Taniyama

24th International Colloquim on Magnetic Films and Surfaces 

Superconducting control of magnetization in oxide superconducting spin-valves International conference

Sogo Suzuki, Sachio Komori, Keiichiro Imura, Tomoyasu Taniyama

24th International Colloquim on Magnetic Films and Surfaces 

価数揺動ハイパーマテリアルの量子臨界現象

井村敬一郎

新学術領域研究ハイパーマテリアル第8回領域会議  2022.4.18 

Fe/FeRh 規則合金ヘテロ構造における強磁性共鳴の界面効果

大村浩貴, 小森祥央, 井村敬一郎, 谷山智康

2022年 第69回 応用物理学会 春期学術講演会  2022.3 

Fe70Co30/PMN-PT(001)における電気-磁気結合の界面依存性

菅野樹，小森祥央, 井村敬一郎, 谷山智康

2022年 第69回 応用物理学会 春期学術講演会  2022.3 

Nb/Co/PMN-PTヘテロ構造における超伝導転移温度の電界制御

菊田智弘，小森祥央，井村敬一郎，谷山智康

2022年 第69回 応用物理学会 春期学術講演会  2022.3 

Fe1-xRhx規則合金薄膜における強磁性共鳴と磁気ダンピング異常

大澤優子，大村浩貴，小森祥央，井村敬一郎，谷山智康

2022年 第69回 応用物理学会 春期学術講演会  2022.3 

時間角度分解光電子分光によるSmSの光誘起相転移ダイナミクス

陳奕同, 中村拓人, 渡邊浩, 鈴木剛, 任千慧, 劉珂成, 鐘益桂, 金井輝人, 板谷治郎, 辛埴, 岡﨑浩三, 井村敬一郎, 鈴木博之, 佐藤憲昭, 木村真一

日本物理学会　第77回年次大会  2022.3 

La1−xSrxMnO3薄膜/BaTiO3(100)の磁気特性における変調効果

井村敬一郎、石川翔太、小森祥央、谷山智康

日本物理学会　第77回年次大会  2022.3.16 

Valence and Magnetic Singularity/Crossover in Tsai-type Approximant Crystals. International coauthorship International conference

K. Imura, Y. Yoneyama, H. Ando, K. Sakamoto, S. Yokota, K. Deguchi, H. Yamaoka, N. Hiraoka, H. Ishii, T. Ishimasa and N. K. Sato

Materials Research Meeting 2021  2021.12 

薄膜界面マルチフェロイクスのための PMN-PT(110) 薄膜の高品質成長

橋本敬宏, 小森祥央, 井村敬一郎, 谷山智康

第82回　応用物理学会秋季学術講演会  2021.9.22 

Zn-Au-Yb準結晶・2/1・1/1近似結晶におけるYb価数の格子定数依存性 International coauthorship

井村敬一郎、米山祐樹、安藤秀行、出口和彦、山岡人志、平岡望、石井啓文、石政勉、佐藤憲昭

日本物理学会　2021年秋期大会  2021.9.21 

SmSにおける電流誘起絶縁体金属転移現象

渡邊浩, 立川 槙吾, 井村敬一郎, 鈴木博之, 佐藤憲昭, 木村真一

日本物理学会　2021年秋期大会  2021.9.23 

La1−xSrxMnO3薄膜/BaTiO3(100)における磁気異方性変調効果

石川翔太, 小森祥央, 井村敬一郎, 谷山智康

日本磁気学会　第45回学術講演会  2021.8.31 

Zn-Au-Yb近似結晶における価数クロスオーバー International coauthorship

井村敬一郎

第25回準結晶研究会  2021.3.3 

Zn-Au-Yb準結晶・近似結晶における価数揺動と磁性

井村敬一郎, 米山祐樹, 安藤秀行, 出口和彦, 山岡人志, 平岡望, 石井啓文, 石政勉, 佐藤憲昭

日本物理学会第75回年次大会 

Magnetic property of mixed-valence Yb-based quasicrystals and approximant crystals International conference

Pressure and temperature evolution of Sm mean-valence in golden SmS. International coauthorship International conference

K. Imura, Y. Suzuki, N. Kawade, K. Sakamoto, K. Deguchi, H. Yamaoka, Y. Yamamoto, J. Mizuki, N. Hiraoka, H. Ishii, H. S. Suzuki and N. K. Sato

International Conference on Strongly Correlated Electrons System 2019 

Tsai型クラスター構造を持つZn-Au-Yb準結晶及び近似結晶の磁性

井村敬一郎, 米山祐樹, 出口和彦, 石政勉, 佐藤憲昭

日本物理学会2019年秋期大会 

エキシトニック絶縁体SmSの非線形伝導 Invited

井村敬一郎

Valence instability and quantum criticality in Yb-based quasicrystals and approximant crystals Invited International conference

K. Imura, S. Yokota, K. Sakamoto, K. Namba, S. Hirokawa, K. Deguchi, H. Yamaoka, Y. Yamamoto, T. Kawai, J. Mizuki, N. Hiraoka, H. Ishii, T. Ishimasa, and N. K. Sato

低温・高圧下熱起電力測定システムの開発とgolden-SmSへの適用

坂本和司, 池尾優輝, 井村敬一郎, 出口和彦, 鈴木博之, 佐藤憲昭

日本物理学会第74回年次大会 

Au-Ga-Yb準結晶・近似結晶における共鳴X線発光分光

井村敬一郎, 坂本和司, 横田晋次郞, 廣川慎之介, 出口和彦, 山岡人志, 川井拓真, 山本義哉, 水木純一郎, 平岡望, 石井啓文, 佐藤憲昭

日本物理学会2018年秋期大会 

Yb 系準結晶における共鳴 X 線発光分光

井村敬一郎、横田晋次郞、坂本和司、山岡人志、山本義哉、川井拓真、水木純一郎、難波慶介、廣川慎之介、出口和彦、平岡望、石井啓文、佐藤憲昭

第22回準結晶研究会 

価数揺動系硫化サマリウムにおける異常物性 Invited

井村敬一郎

豊田理化学研究所・特定課題研究 「多元秩序制御による熱・体積機能の開拓」研究会 

価数揺動を利用した新規熱電材料物質の探索 Invited

井村敬一郎

豊田理研異分野若手交流会 

価数揺動を利用した新規熱電材料物質の探索 Invited

井村敬一郎

豊田理研異分野若手交流会 

CeCu6-xAuxにおける非フェルミ液体挙動の研究

井村敬一郎

第二回強相関電子系研究会（Dandan2016） 

CeCu6-xAuxにおける量子臨界現象の研究

井村敬一郎, 椎野貴之, 野部晃平, 小島由幹, 出口和彦, 佐藤憲昭

日本物理学会　2016年秋季大会 

Study on electronic states of the mixed-valence compound SmS by resonance x-ray emission spectroscopy under high pressure International conference

K. Imura, Y. Suzuki, N. Kawade, Y. Yamamoto, H. Yamaoka, N. Hiraoka, H. Ishii, H. S. Suzuki, J. Mizuki, K. Deguchi and N. K. Sato

International Conference on Low Energy Electrodynamics in Solids 

Improvement of high-pressure thermal expansion measurement using an active-dummy method with an application to the antiferromagnetic superconductor CeRhIn5 International conference

Keiichiro Imura, Misato Takahashi, Kazuhiko Deguchi and Noriaki K. Sato

20th International Conference on Magnetism 

価数揺動を利用したTsai型クラスターの磁性制御

Grant number：19K03715  2019.4 - 2022.3

科学研究費補助金  

井村 敬一郎

絶縁体・金属転移近傍に現れるエキシトンボーズ凝縮の研究

2014.4 - 2017.3

科学研究費補助金  若手研究(B)

金属・絶縁体転移近傍で発現する新しい量子状態の解明

2008.4 - 2010.3

科学研究費補助金 

金属・絶縁体転移近傍において現れる新しい量子状態の研究

2007.4 - 2008.3

科学研究費補助金  名古屋大学21世紀COE 拠点形成プログラム

物理学実験Ⅰ・Ⅱ

2017

物理学実験Ⅰ・Ⅱ

2016

物理学実験Ⅰ・Ⅱ

2015

物理学実験Ⅰ・Ⅱ

2014

物理学実験Ⅰ・Ⅱ

2013

物理学実験Ⅰ・Ⅱ

2012