文部科学省   研究振興局学術調査官   学術調査官

2009.8 - 2011.7

理化学研究所   客員主管研究員   客員主管研究員

2007.4 - 2014.3

第34回永井学術賞

2017.3   公益財団法人永井科学技術財団   巨大負熱膨張材料による熱膨張制御に関する先駆的研究

竹中康司

Superconductivity in Ternary Germanide ScPdGe and Silicide ScPdSi

Shinoda, Y; Okamoto, Y; Yamakawa, Y; Takatsu, H; Kageyama, H; Hirai, D; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 93 ( 2 )   2024.2

Electroactive actuator composites using volume change induced by insulator-to-metal transition in VO₂

Takenaka, K; Mizuno, Y; Shibutani, J; Kishida, K; Takada, K; Yagi, K; Yokoyama, Y; Katayama, N; Okamoto, Y; Hirai, D; Hatanó, T; Fujita, A

APPLIED PHYSICS LETTERS   Vol. 123 ( 23 )   2023.12

Evidence of unconventional superconductivity on the surface of the nodal semimetal CaAg_1-<i>x</i>Pd_<i>x</i>P

Yano, R; Nagasaka, S; Matsubara, N; Saigusa, K; Tanda, T; Ito, S; Yamakage, A; Okamoto, Y; Takenaka, K; Kashiwaya, S

NATURE COMMUNICATIONS   Vol. 14 ( 1 )   2023.10

Structural and Electronic Properties of a Triangular Lattice Magnet NaPrTe₂ Compared with NaNdTe₂ and NaTbTe₂

Eto, K; Okamoto, Y; Katayama, N; Ishikawa, H; Kindo, K; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 92 ( 9 )   2023.9

Superconductivity in Ternary Scandium Telluride Sc₆<i>M</i>Te₂ with 3<i>d</i>, 4<i>d</i>, and 5<i>d</i> Transition Metals

Shinoda, Y; Okamoto, Y; Yamakawa, Y; Matsumoto, H; Hirai, D; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 92 ( 10 )   2023.8

Superconductivity in High-Entropy Antimonide M_1-<i>x</i>Pt_<i>x</i>Sb (M = Equimolar Ru, Rh, Pd, and Ir)

Hirai, D; Uematsu, N; Saitoh, K; Katayama, N; Takenaka, K

INORGANIC CHEMISTRY   Vol. 62 ( 35 ) page： 14207 - 14215   2023.8

温めると縮むセラミック微粒子を用いたプラスチックの熱膨張制御 Invited

竹中康司

プラスチックス   Vol. 74 ( 2 ) page： 29 - 33   2023.2

Large magnetic-field-induced volume change in sintered chromium tellurides Reviewed

Y. Kubota, Y. Okamoto, T. Kanematsu, T. Yajima, D. Hirai, and K. Takenaka

Applied Physics Letters   Vol. 122 ( 4 ) page： 042404-1 - 042404-6   2023.1

Systematic Study on the Role of the Third Zn-Site Element in Zn2−xMgxP2O7 Showing Giant Negative Thermal Expansion Reviewed

R. Kasugai, Y. Kadowaki, Y. Yokoyama, N. Katayama, Y. Okamoto, and K. Takenaka

Materials Transactions   Vol. 64 ( 3 ) page： 638 - 642   2023

Electronic Properties of Pyrochlore-Type Ca2Ir2O7 Reviewed

Y. Nakayama, Y. Okamoto, D. Hirai, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 91 ( 12 ) page： 125002-1 - 125002-2   2022.12

Electrical-field-induced insulator-to-metal transition in samarium monosulfides Reviewed

K. Kishida, J. Shibutani, T. Hatano, Y. Yokoyama, N. Katayama, Y. Okamoto, Y. Nakamura, H. Kishida, H. S. Suzuki, K. Takehana, Y. Imanaka, and K. Takenaka

Applied Physics Letters   Vol. 121 ( 12 ) page： 121901-1 - 121901-7   2022.9

Complex magnetic phase diagram with a small phase pocket in a three-dimensional frustrated magnet CuInCr4S8 Reviewed

M. Gen, H. Ishikawa, A. Ikeda, A. Miyake, Z. Yang, Y. Okamoto, M. Mori, K. Takenaka, H. Sagayama, T. Kurumaji, Y. Tokunaga, T. Arima, M. Tokunaga, K. Kindo, Y. H. Matsuda, and Y. Kohama

Physical Review Research   Vol. 4 ( 3 ) page： 033148-1 - 033148-13   2022.8

Development of Negative Thermal Expansion Fine Particles Invited Reviewed

K. Takenaka, Y. Okamoto, Y. Yokoyama, N. Katayama, Y. Kadowaki, K. Eto, J. Shibutani, M. Kano, R. Kasugai, N. Yamada

Journal of the Japan Society of Powder and Powder Metallurgy   Vol. 69 ( 8 ) page： 350 - 355   2022.8

Large Magnetic-Field-Induced Strain at the Spin-Reorientation Transition in <i>A</i>-Site Ordered Spinel Oxide LiFeCr₄O₈

Okamoto, Y; Kanematsu, T; Kubota, Y; Yajima, T; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 91 ( 2 )   2022.2

Structural phase transition and negative thermal expansion in Cu_1.8Zn_0.2V_2-<i>x</i>P_<i>x</i>O₇ solid solutions

Takenaka, K; Kano, M; Kasugai, R; Takada, K; Eto, K; Kadowaki, Y; Yokoyama, Y; Katayama, N; Okamoto, Y

APPLIED PHYSICS EXPRESS   Vol. 15 ( 2 )   2022.2

Large Magnetic-Field-Induced Strain at the Spin-Reorientation Transition in the A-Site Ordered Spinel Oxide LiFeCr4O8 Reviewed

Y. Okamoto, T. Kanematsu, Y. Kubota, T. Yajima, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 91 ( 2 ) page： 023710-1 - 023710-4   2022.2

Structural phase transition and negative thermal expansion in Cu1.8Zn0.2V2-xPxO7 solid solutions Reviewed

K. Takenaka, M. Kano. R. Kasugai, K. Takada, K. Eto, Y. Kadowaki, Y. Yokoyama, N. Katayama, and Y. Okamoto

Applied Physic Express   Vol. 15 ( 2 ) page： 025504-1 - 025504-5   2022.2

Structural phase transition and giant negative thermal expansion in pyrophosphate Zn_2-_<i>x</i>Mg_<i>x</i>P₂O₇

Kadowaki, Y; Kasugai, R; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

APPLIED PHYSICS LETTERS   Vol. 119 ( 20 )   2021.11

Structural phase transition and giant negative thermal expansion in pyrophosphate Zn2-xMgxP2O7 Reviewed

Y. Kadowaki, R. Kasugai, Y. Yokoyama, N. Katayama, Y. Okamoto, and K. Takenaka

Applied Physics Letters   Vol. 119 ( 20 ) page： 201906-1 - 201906-5   2021.11

Giant negative thermal expansion of polycrystalline Ti2O3 induced by microstructural effects Reviewed

Y. Kadowaki, R. Kasugai, Y. Yokoyama, N. Katayama, Y. Okamoto, and K. Takenaka

Applied Physics Letters   Vol. 119 ( 17 ) page： 171901-1 - 171901-5   2021.10

Pore Size Distributions Related with Spontaneous Purple Membrane Stacking in Porous Hydrogels

Karasawa, M; Yokoyama, Y; Takiguchi, K; Takahashi, H; Kikukawa, T; Sonoyama, M; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 90 ( 10 )   2021.10

Origin and Absence of Giant Negative Thermal Expansion in Reduced and Oxidized Ca2RuO4 Reviewed International coauthorship

L. Hu, Y. C. Zhu, Y. W. Fang, M. Fukuda, T. Nishikubo, Z. Pan, Y. Sakai, S. Kawaguchi, H. Das, A. Machida, T. Watanuki, S. Mori, K. Takenaka, and M. Azuma

Chemistry of Materials   Vol. 33 ( 19 ) page： 7665 - 7674   2021.10

Pore Size Distributions Related with Spontaneous Purple Membrane Stacking in Porous Hydrogels Reviewed

M. Karasawa, Y. Yokoyama, K. Takiguchi, H. Takahashi, T. Kikukawa, M. Sonoyama, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 90 ( 10 ) page： 103801-1 - 103801-5   2021.9

Superconductivity in Nb₂Pd₃Te₅ and Chemically-Doped Ta₂Pd₃Te₅

Higashihara, N; Okamoto, Y; Yoshikawa, Y; Yamakawa, Y; Takatsu, H; Kageyama, H; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 90 ( 6 )   2021.6

Superconductivity in Nb2Pd3Te5 and Chemically-Doped Ta2Pd3Te5 Reviewed

N. Higashihara, Y. Okamoto, Y. Yoshikawa, Y. Yamakawa, H. Takatsu, H. Kageyama, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 90 ( 6 ) page： 063705-1 - 063705-4   2021.5

Giant Magneto-Volume and Magneto-Caloric Effects of Frustrated Antiferromagnet Mn₃GaN under Hydrostatic Pressure

Takenaka, K; Sugiura, T; Kadowaki, Y; Ozeki, M; Okamoto, Y; Fujita, A

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 90 ( 4 )   2021.4

Large magnetic-field-induced strain at the magnetic order transition in triangular antiferromagnet AgCrS2 Reviewed

T. Kanematsu, Y. Okamoto, and K. Takenaka

Applied Physics Letters   Vol. 118 ( 14 ) page： 142404-1 - 142404-5   2021.4

Large magnetic-field-induced strain at the magnetic order transition in triangular antiferromagnet AgCrS₂

Kanematsu, T; Okamoto, Y; Takenaka, K

APPLIED PHYSICS LETTERS   Vol. 118 ( 14 )   2021.4

Fabrication of Metal Matrix Composite Containing Manganese Nitride Showing Giant Negative Thermal Expansion by Compressive Torsion Processing Reviewed

K. Takenaka, K. Otsuka, Y. Okamoto, Y. Kume, and M. Kobashi

Materials Transactions   Vol. 62 ( 5 ) page： 590 - 595   2021.3

Giant Magneto-Volume and Magneto-Caloric Effects of Frustrated Antiferromagnet Mn3GaN under Hydrostatic Pressure Reviewed

K. Takenaka, T. Sugiura, Y. Kadowaki, M. Ozeki, Y. Okamoto, and A. Fujita

Journal of the Physical Society of Japan   Vol. 90 ( 4 ) page： 044601-1 - 044601-7   2021.3

Effects of salt and gel network structures on purple membrane stacking in hydrogels immobilized with poly(vinyl alcohol) Reviewed

Yokoyama, Y; Yano, S; Kurita, R; Karasawa, M; Tanaka, H; Takahashi, H; Kikukawa, T; Sonoyama, M; Takenaka, K

JOURNAL OF APPLIED PHYSICS   Vol. 129 ( 1 ) page： 014701-1 - 014701-6   2021.1

Fabrication of Metal Matrix Composite Containing Manganese Nitride Showing Giant Negative Thermal Expansion by Compressive Torsion Processing

Takenaka, K; Otsuka, K; Okamoto, Y; Kume, Y; Kobashi, M

MATERIALS TRANSACTIONS   Vol. 62 ( 5 ) page： 590 - 595   2021

Electrical and Thermal Transport Properties of the β-Pyrochlore Oxide CsW₂O₆ Reviewed

Okamoto, Y; Niki, K; Mitoka, R; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 89 ( 12 ) page： 124710-1 - 124710-5   2020.12

Large thermoelectric power factor in whisker crystals of solid solutions of the one-dimensional tellurides Ta₄SiTe₄ and Nb₄SiTe₄ Reviewed

Yoshikawa, Y; Wada, T; Okamoto, Y; Abe, Y; Takenaka, K

APPLIED PHYSICS EXPRESS   Vol. 13 ( 12 ) page： 125505-1 - 125505-4   2020.12

Annealing effects on negative thermal expansion properties of ball-milled β-Cu_1.8Zn_0.2V₂O₇ fine particles Reviewed

Warne-Lang, V; Sato, M; Ozeki, M; Kadowaki, Y; Yokoyama, Y; Katayama, N; Okamoto, Y; Takenaka, K

CERAMICS INTERNATIONAL   Vol. 46 ( 17 ) page： 27655 - 27659   2020.12

High-mobility carriers induced by chemical doping in the candidate nodal-line semimetal CaAgP Reviewed

Okamoto, Y; Saigusa, K; Wada, T; Yamakawa, Y; Yamakage, A; Sasagawa, T; Katayama, N; Takatsu, H; Kageyama, H; Takenaka, K

PHYSICAL REVIEW B   Vol. 102 ( 11 ) page： 115101-1 - 115101-6   2020.9

負熱膨張性微粒子による電子デバイスのサーマル・マネジメント Invited Reviewed

竹中康司

粉体および粉末冶金   Vol. 67 ( 9 ) page： 499 - 504   2020.9

Thermal Expansion and Volume Magnetostriction in Breathing Pyrochlore Magnets Li<i>A</i>Cr₄<i>X</i>₈ (<i>A</i> = Ga, In, <i>X</i> = O, S) Reviewed

Kanematsu, T; Mori, M; Okamoto, Y; Yajima, T; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 89 ( 7 ) page： 073708-1 - 073708-4   2020.7

Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles Reviewed

Ozeki, M; Warne-Lang, V; Tsukasaki, H; Sakai, Y; Katayama, N; Okamoto, Y; Azuma, M; Mori, S; Takenaka, K

APPLIED PHYSICS EXPRESS   Vol. 13 ( 7 ) page： 075501-1 - 075501-5   2020.7

Sol-gel synthesis of doped Cu₂V₂O₇ fine particles showing giant negative thermal expansion Reviewed

Sato, M; Warne-Lang, V; Kadowaki, Y; Katayama, N; Okamoto, Y; Takenaka, K

AIP ADVANCES   Vol. 10 ( 7 ) page： 075207-1 - 075207-6   2020.7

Regular-triangle trimer and charge order preserving the Anderson condition in the pyrochlore structure of CsW₂O₆ Reviewed

Okamoto, Y; Amano, H; Katayama, N; Sawa, H; Niki, K; Mitoka, R; Harima, H; Hasegawa, T; Ogita, N; Tanaka, Y; Takigawa, M; Yokoyama, Y; Takehana, K; Imanaka, Y; Nakamura, Y; Kishida, H; Takenaka, K

NATURE COMMUNICATIONS   Vol. 11 ( 1 ) page： 3144-1 - 3144-8   2020.6

Real spin and pseudospin topologies in the noncentrosymmetric topological nodal-line semimetal CaAgAs Reviewed

Hirose, HT; Terashima, T; Wada, T; Matsushita, Y; Okamoto, Y; Takenaka, K; Uji, S

PHYSICAL REVIEW B   Vol. 101 ( 24 ) page： 245104-1 - 245104-10   2020.6

Spray-dry synthesis of <i>β</i>-Cu_1.8Zn_0.2V₂O₇ ceramic fine particles showing giant negative thermal expansion Reviewed

Takenaka, K; Sato, M; Mitamura, M; Yokoyama, Y; Katayama, N; Okamoto, Y

JOURNAL OF THE AMERICAN CERAMIC SOCIETY   Vol. 103 ( 4 ) page： 2757 - 2763   2020.4

Magnetization process of the breathing pyrochlore magnet CuInCr₄S₈ in ultrahigh magnetic fields up to 150 T Reviewed

Gen, M; Okamoto, Y; Mori, M; Takenaka, K; Kohama, Y

PHYSICAL REVIEW B   Vol. 101 ( 5 ) page： 054434-1 - 054434-9   2020.2

Negative Thermal Expansion of beta-Cu1.8Zn0.2V2O7 Ceramic Fine Particles Synthesized by a Spray-Drying Method Reviewed

Takenaka Koshi, Sato Miku, Nishikawa Tomohiro, Omura Takuya, Yamada Nobuya, Yokoyama Yasunori, Katayama Naoyuki, Okamoto Yoshihiko

JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS   Vol. 84 ( 5 ) page： 161 - 166   2020

Effects of Y substitution on the electronic structure and charge dynamics of SmS Reviewed

Yokoyama, Y; Hasegawa, H; Mizuno, Y; Asai, D; Okamoto, Y; Suzuki, HS; Takehana, K; Imanaka, Y; Takenaka, K

PHYSICAL REVIEW B   Vol. 100 ( 24 ) page： 245143-1 - 245143-7   2019.12

Superconductivity in PtSbS with a Noncentrosymmetric Cubic Crystal Structure

Mizutani Ryosuke, Okamoto Yoshihiko, Nagaso Hayate, Yamakawa Youichi, Takatsu Hiroshi, Kageyama Hiroshi, Kittaka Shunichiro, Kono Yohei, Sakakibara Toshiro, Takenaka Koshi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 88 ( 9 )   2019.9

Hole-doped M(4)SiTe(4) (M=Ta, Nb) as an efficient p-type thermoelectric material for low-temperature applications Reviewed

Okamoto Yoshihiko, Yoshikawa Yuma, Wada Taichi, Takenaka Koshi

APPLIED PHYSICS LETTERS   Vol. 115 ( 4 )   2019.7

Valence fluctuations and giant isotropic negative thermal expansion in Sm(1-x)R(x)S (R= Y, La, Ce, Pr, Nd) Reviewed

Asai D., Mizuno Y., Hasegawa H., Yokoyama Y., Okamoto Y., Katayama N., Suzuki H. S., Imanaka Y., Takenaka K.

APPLIED PHYSICS LETTERS   Vol. 114 ( 14 )   2019.4

Giant isotropic negative thermal expansion in Y-doped samarium monosulfides by intra-atomic charge transfer Reviewed

Takenaka Koshi, Asai Daigo, Kaizu Ryoichi, Mizuno Yosuke, Yokoyama Yasunori, Okamoto Yoshihiko, Katayama Naoyuki, Suzuki Hiroyuki S., Imanaka Yasutaka

SCIENTIFIC REPORTS   Vol. 9   2019.1

Microstructural effects on negative thermal expansion extending over a wide temperature range in beta-Cu(1.8)Zn(0.2)V(2)O(7) Reviewed

Katayama N., Otsuka A. K., Mitamura M., Yokoyama Y., Okamoto Y., Takenaka K.

APPLIED PHYSICS LETTERS   Vol. 113 ( 18 )   2018.10

Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca₂RuO₄

Takenaka, K; Inoue, N; Mizuno, Y; Okamoto, Y; Katayama, N; Sakai, Y; Nishikubo, T; Azuma, M

APPLIED PHYSICS LETTERS   Vol. 113 ( 7 )   2018.8

Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca(2)RuO(4) Reviewed

K. Takenaka, N. Inoue, Y. Mizuno, Y. Okamoto, N. Katayama, Y. Sakai, T. Nishikubo, and M. Azuma

Applied Physics Letters   Vol. 113 ( 7 ) page： 071902 (5 pags)   2018.8

Progress of Research in Negative Thermal Expansion Materials: Paradigm Shift in the Control of Thermal Expansion

Takenaka, K

FRONTIERS IN CHEMISTRY   Vol. 6   2018.7

Inverse analysis of giant macroscopic negative thermal expansion of Ca(2)RuO(4-y) ceramics based on elasticity and structural topology optimization Reviewed

A. Takezawa, K. Takenaka, and X. P. Zhang

Applied Physics Express   Vol. 11 ( 5 ) page： 055801 (4 pages)   2018.5

Inverse analysis of giant macroscopic negative thermal expansion of Ca₂RuO_4-&ITy&IT ceramics based on elasticity and structural topology optimization

Takezawa, A; Takenaka, K; Zhang, XP

APPLIED PHYSICS EXPRESS   Vol. 11 ( 5 )   2018.5

Large thermoelectric power factor in one-dimensional telluride Nb₄SiTe₄ and substituted compounds

Okamoto, Y; Wada, T; Yamakawa, Y; Inohara, T; Takenaka, K

APPLIED PHYSICS LETTERS   Vol. 112 ( 17 )   2018.4

Large thermoelectric power factor in one-dimensional telluride Nb(4)SiTe(4) and substituted compounds Reviewed

Y. Okamoto, T. Wada, Y. Yamakawa, T. Inohara, and K. Takenaka

Applied Physics Letters   Vol. 112 ( 17 ) page： 173905 (5 pages)   2018.4

層状ルテニウム酸化物セラミックスの巨大負熱膨張 Invited

竹中康司

Fine Ceramics Report   Vol. 36 ( 2 ) page： 51-56   2018.4

Magnetic and Structural Properties of A-Site Ordered Chromium Spinel Sulfides: Alternating Antiferromagnetic and Ferromagnetic Interactions in the Breathing Pyrochlore Lattice

Okamoto, Y; Mori, M; Katayama, N; Miyake, A; Tokunaga, M; Matsuo, A; Kindo, K; Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 87 ( 3 )   2018.3

Magnetic and Structural Properties of A-Site Ordered Chromium Spinel Sulfides: Alternating Antiferromagnetic and Ferromagnetic Interactions in the Breathing Pyrochlore Lattice Reviewed

Y. Okamoto, M. Mori, N. Katayama, A. Miyake, M. Tokunaga, A. Matsuo, K. Kindo, and K. Takenaka

Journal of the Physical society of Japan   Vol. 87 ( 3 ) page： 034709 (8 pages)   2018.3

Observation of Dirac-like energy band and ring-torus Fermi surface associated with the nodal line in topological insulator CaAgAs

Takane, D; Nakayama, K; Souma, S; Wada, T; Okamoto, Y; Takenaka, K; Yamakawa, Y; Yamakage, A; Mitsuhashi, T; Horiba, K; Kumigashira, H; Takahashi, T; Sato, T

NPJ QUANTUM MATERIALS   Vol. 3   2018.1

Observation of Dirac-like energy band and ring-torus Fermi surface associated with the nodal line in topological insulator CaAgAs Reviewed

D. Takane, K. Nakayama, S. Souma, T. Wada, Y. Okamoto, K. Takenaka, Y. Yamakawa, A. Yamakage, T. Mitsuhashi, K. Horiba, H. Kumigashira, T. Takahashi, and T. Sato

npj Quantum Materials   Vol. 3   page： 1 (6 pages)   2018.1

Hall effect measurements of high-quality Mn₃CuN thin films and the electronic structure

Matsumoto, T; Hatano, T; Urata, T; Iida, K; Takenaka, K; Ikuta, H

PHYSICAL REVIEW B   Vol. 96 ( 20 )   2017.11

Hall effect measurements of high quality Mn(3)CuN thin films and the electronic structure Reviewed

T. Matsumoto, T. Hatano, T. Urata, K. Iida, K. Takenaka, and H. Ikuta

Physical Review B   Vol. 96 ( 20 ) page： 205153   2017.11

Giant negative thermal expansion in Fe-doped layered ruthenate ceramics Reviewed

K. Takenaka, T. Shinoda, N. Inoue, Y. Okamoto, N. Katayama, Y. Sakai, T. Nishikubo, and M. Azuma

Applied Physics Express   Vol. 10 ( 11 ) page： 115501   2017.11

Giant negative thermal expansion in Fe-doped layered ruthenate ceramics

Takenaka, K; Shinoda, T; Inoue, N; Okamoto, Y; Katayama, N; Sakai, Y; Nishikubo, T; Azuma, M

APPLIED PHYSICS EXPRESS   Vol. 10 ( 11 )   2017.11

巨大負熱膨張材料：熱膨張制御のパラダイムシフト Invited Reviewed

竹中康司

セラミックス   Vol. 52 ( 9 ) page： 584-589   2017.9

Spontaneous stacking of purple membranes during immobilization with physical cross-linked poly(vinyl alcohol) hydrogel with retaining native-like functionality of bacteriorhodopsin

Yokoyama, Y; Tanaka, H; Yano, S; Takahashi, H; Kikukawa, T; Sonoyama, M; Takenaka, K

JOURNAL OF APPLIED PHYSICS   Vol. 121 ( 20 )   2017.5

Large thermoelectric power factor at low temperatures in one-dimensional telluride Ta₄SiTe₄

Inohara, T; Okamoto, Y; Yamakawa, Y; Yamakage, A; Takenaka, K

APPLIED PHYSICS LETTERS   Vol. 110 ( 18 )   2017.5

Large thermoelectric power factor at low temperatures in one-dimensional telluride Ta(4)SiTe(4) Reviewed

T. Inohara, Y. Okamoto, Y. Yamakawa, A. Yamakage, and K. Takenaka

Applied Physics Letters   Vol. 110 ( 18 ) page： 183901   2017.5

Spontaneous stacking of purple membranes during immobilization with physical cross-linked poly(vinyl alcohol) hydrogel with retaining native-like functionality of bacteriorhodopsin Reviewed

Y. Yokoyama, H. Tanaka, S. Yano, H. Takahashi, T. Kikukawa, M. Sonoyama, and K. Takenaka

Journal of Applied Physics   Vol. 121 ( 20 ) page： 204701   2017.5

Colossal negative thermal expansion in reduced layered ruthenate

Takenaka, K; Okamoto, Y; Shinoda, T; Katayama, N; Sakai, Y

NATURE COMMUNICATIONS   Vol. 8   2017.1

"Entropics": Science and engineering of caloric phenomena related to itinerant-electron magnetism and spin fluctuations

Fujita Asaya, Takenaka Koshi

INTERNATIONAL WORKSHOP ON ITINERANT-ELECTRON MAGNETISM   Vol. 868   2017

Low Carrier Density Metal Realized in Candidate Line-Node Dirac Semimetals CaAgP and CaAgAs Reviewed

Y. Okamoto, T. Inohara1, A. Yamakage, Y. Yamakawa, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 85 ( 12 ) page： 123701   2016.12

Synthesis and superconducting properties of a hexagonal phosphide ScRhP Reviewed

T. Inohara, Y. Okamoto, Y. Yamakawa, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 85 ( 9 ) page： 094706   2016.9

マンガン窒化物焼結体の標準抵抗材料への応用 Reviewed

大江武彦, 金子晋久, 竹中康司

電気学会論文誌A   Vol. 136 ( 7 ) page： 448-454   2016.7

Thermoelectric properties of antiperovskite calcium oxides Ca(3)PbO and Ca(3)SnO Reviewed

Y. Okamoto, A. Sakamaki, and K. Takenaka

Journal of Applied Physics   Vol. 119 ( 20 ) page： 205106   2016.5

Superconductivity in the Hexagonal Ternary Phosphide ScIrP Reviewed

Y. Okamoto, T. Inohara, Y. Yamakawa, A. Yamakage, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 85 ( 1 ) page： 013704   2016.1

Matrix-filler interfaces and physical properties of metal matrix composites with negative thermal expansion manganese nitride Reviewed

K. Takenaka, K. Kuzuoka, and N. Sugimoto

Journal of Applied Physics   Vol. 118 ( 8 ) page： 084902   2015.8

Manganese Nitride Compound Standard Resistor Reviewed

T. Oe, C. Urano, N. Kaneko, H. Eisaki, Y. Yoshida, A. Yamamoto, and K. Takenaka

IEEE Transactions on Instrumentation and Measurement   Vol. 64 ( 6 ) page： 1446-1450   2015.6

Thermal expansion adjustable polymer matrix composites with giant negative thermal expansion filler Reviewed

K. Takenaka and M. Ichigo

Composites Science and Technology   Vol. 104   page： 47-51   2014.9

Stripe-Induced High-Temperature Superconductivity in Cuprates Reviewed

S. Sugai, Y. Takayanagi, J. Nohara, R. Shiozaki, N. Hayamizu, T. Muroi, T. Hosokawa, H. Suzuki, Y. Sone, H. Mabuchi, K. Takenaka, and K. Okazaki

Journal of Superconductivity and Novel Magnetism   Vol. 27 ( 4 ) page： 941-944   2014.1

逆ペロフスカイト型マンガン窒化物の磁気体積効果と巨大負熱膨張 Invited Reviewed

竹中康司

日本結晶学会誌   Vol. 55 ( 6 ) page： 331-339   2013.12

Ferromagnetic shape memory effects in tetragonally distorted antiperovskite manganese nitrides Reviewed

K. Takenaka, T. Hamada, T. Shibayama, and K. Asano

Journal of Alloys and Compounds   Vol. 577 ( S1 ) page： S291-S295   2013.11

Sputter deposition and characterization of Mn(3)CuN thin films Reviewed

M. Aoyama, K. Takenaka, and H. Ikuta

Journal of Alloys and Compounds   Vol. 577 ( S1 ) page： S314-S317   2013.11

Fine-Grained Antiperovskite Manganese Nitrides with Negative Thermal Expansion for Thermal Expansion Control of Light Transmitting Plastics Reviewed

M. Ichigo and K. Takenaka

Journal of the Japan Institute of Metals and Materials   Vol. 77 ( 10 ) page： 415-418   2013.10

Standard-resistor compounds with adjustable operating temperature Reviewed

T. Oe, C. Urano, N. Kaneko, M. Hadano, and K. Takenaka

Applied Physics Letters   Vol. 103 ( 17 ) page： 173518   2013.10

Superconducting pairing and the pseudogap in the nematic dynamical stripe phase of La(2-x)Sr(x)CuO(4) Reviewed

S. Sugai, Y. Takayanagi, N. Hayamizu, T. Muroi, R. Shiozaki, J. Nohara, K. Takenaka, and

Journal of Physics: Condensed Matter   Vol. 25 ( 47 ) page： 475701   2013.10

Correlation between Raman sum and optical conductivity sum in La(2-x)Sr(x)CuO(4) Reviewed

S. Sugai, J. Nohara, R. Shiozaki, T. Muroi, Y. Takayanagi, N. Hayamizu, K. Takenaka, and K. Okazaki

Journal of Physics: Condensed Matter   Vol. 25 ( 10 ) page： 415701   2013.9

Application of Mn(3)Ag(1-x)Cu(x)N Antiperovskite Compound to Standard Resistor Reviewed

T. Oe, C. Urano, M. Hadano, A. Ozawa, K. Takenaka, and N. Kaneko

IEEE Transactions on Instrumentation and Measurement   Vol. 62 ( 6 ) page： 1450-1453   2013.6

Thermal Expansion Adjustable Metal Matrix Composites Containing Manganese Nitrides with Negative Thermal Expansion Reviewed

N. Sugimoto, T. Hamada, and K. Takenaka

Journal of the Japan Institute of Metals and Materials   Vol. 77 ( 3 ) page： 75-79   2013.3

Fabrication of Manganese Nitride Mn(3)CuN Thin Films by Ultrahigh-Field Sputtering and Their Characterization Reviewed

K. Matsumoto, M. Aoyama, K. Takenaka, and H. Ikuta

Journal of the Japan Institute of Metals and Materials   Vol. 77 ( 3 ) page： 80-84   2013.3

Selective Raman Scattering Detection of the Dirac Node and the Anti-node of the Spin Density Wave Gap and Magnetic Excitations in BaFe(2)As(2) Reviewed

S. Sugai, Y. Mizuno, R. Watanabe, T. Kawaguchi, K. Takenaka, H. Ikuta, K. Kiho, M. Nakajima, C. H. Lee, A. Iyo, H. Eisaki, and S. Uchida

Journal of Superconductivity and Novel Magnetism   Vol. 26 ( 4 ) page： 1179-1183   2013

Tailoring thermal expansion in metal matrix composites blended by antiperovskite manganese nitrides exhibiting giant negative thermal expansion Reviewed

K. Takenaka, T. Hamada, D. Kasugai, and N. Sugimoto

Journal of Applied Physics   Vol. 112 ( 8 ) page： 083517   2012.10

低膨張樹脂複合材料－負熱膨張性マンガン窒化物による熱膨張制御－ Invited

竹中康司

プラスチックス   Vol. 63 ( 8 ) page： 32-35   2012.8

Giant Field-Induced Distortion in Mn(3)SbN at Room Temperature Reviewed

K. Takenaka, T. Shibayama, D. Kasugai, and T. Shimizu

Japanese Journal of Applied Physics   Vol. 51 ( 4 ) page： 043001   2012.4

Effects of nitrogen deficiency on the magnetostructural properties of antiperovskite manganese nitrides Reviewed

D. Kasugai, A. Ozawa, T. Inagaki, and K. Takenaka

Journal of Applied Physics   Vol. 111 ( 7 ) page： 07E314   2012.4

Interplay between magnetism and charge transport in antiperovskite manganese nitrides: Extremely low temperature coefficient of resistance due to strong magnetic scattering Reviewed

M. Hadano, A. Ozawa, K. Takenaka, N. Kaneko, T. Oe, and C. Urano

Journal of Applied Physics   Vol. 111 ( 7 ) page： 07E120   2012.4

Ferromagnetic microstructures in the ferromagnetic metallic phase of La(0.825)Sr(0.175)MnO(3) Reviewed

T. Koyama, Y. Togawa, K. Takenaka, and S. Mori

Journal of Applied Physics   Vol. 111 ( 7 ) page： 07B104   2012.4

Phase instability of magnetic ground state in antiperovskite Mn(3)ZnN: Giant magnetovolume effects related to magnetic structure Reviewed

T. Hamada and K. Takenaka

Journal of Applied Physics   Vol. 111 ( 7 ) page： 07A904   2012.4

Giant magnetostriction in tetragonally distorted antiperovskite manganese nitrides Reviewed

T. Shimizu, T. Shibayama, K. Asano, and K. Takenaka

Journal of Applied Physics   Vol. 111 ( 7 ) page： 07A903   2012.4

Spin-Density-Wave Gap with Dirac Nodes and Two-Magnon Raman Scattering in BaFe(2)As(2) Reviewed

S. Sugai, Y. Mizuno, R. Watanabe, T. Kawaguchi, K. Takenaka, H. Ikuta, Y. Takayanagi, N. Hayamizu, and Y. Sone

J. Phys. Soc. Jpn.   Vol. 81 ( 2 ) page： 024718   2012.2

Negative thermal expansion materials: technological key for control of thermal expansion Invited Reviewed

K. Takenaka

Science and Technology of Advanced Materials   Vol. 13 ( 1 ) page： 013001   2012.2

負熱膨張性マンガン窒化物を用いた熱膨張可変複合材料 Invited

竹中康司

セラミックス   Vol. 46 ( 11 ) page： 960-964   2011.11

Magnetic state of Mn(3)CuN explored by soft x ray magnetic circular dichroism Reviewed

K. Takenaka, T. Shibayama, A. Ozawa, T. Hamada, T. Nakamura, K. Kodama, and T. Kinoshita

J. Appl. Phys.   Vol. 110 ( 2 ) page： 023909   2011.6

Multiple-charge modulations in the ferromagnetic insulating state of lightly doped La(1-x)Sr(x)MnO(3) Reviewed

T. Asaka, S. Mori, Y. Horibe, K. Takenaka, X. Z. Yu, T. Nagai, K. Kimoto, T. Hirayama, and Y. Matsui

Phys. Rev. B   Vol. 83 ( 17 ) page： 174401   2011.5

Giant magnetostriction in antiperovskite Mn(3)CuN Reviewed

T. Shibayama and K. Takenaka

J. Appl. Phys.   Vol. 109 ( 7 ) page： 07A928   2011.4

Giant negative thermal expansion in antiperovskite manganese nitrides Reviewed

T. Hamada and K. Takenaka

J. Appl. Phys.   Vol. 109 ( 7 ) page： 07E309   2011.4

The Nodal SDW Gap and the Superconducting Gap in BaFe(2-x)Co(x)As(2) Reviewed

J. Supercond. Novel Magn.   Vol. 24 ( 3 ) page： 1185-1189   2011.1

Extremely low temperature coefficient of resistance in antiperovskite Mn(3)Ag(1-x)Cu(x)N Reviewed

K. Takenaka, A. Ozawa, T. Shibayama, N. Kaneko, T. Oe, and C. Urano

Appl. Phys. Lett.   Vol. 98 ( 2 ) page： 022103   2011.1

温めると縮む金属の物理 Invited Reviewed

竹中康司

日本物理学会誌   Vol. 65 ( 11 ) page： 873-877   2010.11

Magnetostructural Correlations in Nitrogen-Deficient Antiperovskite Mn(3)CuN(1-δ) Reviewed

K. Takenaka, T. Shibayama, K. Asano, and K. Koyama

Journal of the Physical Society of Japan   Vol. 79 ( 7 ) page： 073706   2010.7

In site growth of superconducting NdFeAs(O, F) thin films by molecular beam epitaxy Reviewed

T. Kawaguchi, H. Uemura, T. Ohno, M. Tabuchi, T. Ujihara, K. Takenaka, Y. Takeda, and H. Ikuta

Appl. Phys. Lett.   Vol. 97 ( 4 ) page： 042509   2010.7

Evidence for a Correlated Insulator to Antiferromagnetic Metal Transition in CrN Reviewed

P. A. Bhobe, A. Chainani, M. Taguchi, T. Takeuchi, R. Eguchi, M. Matsunami, K. Ishizaka, Y. Takata, M. Oura, Y. Senba, H. Ohashi, Y. Nishino, M. Yabashi, K. Tamasaku, T. Ishikawa, K. Takenaka, H. Takagi, and S. Shin

Physical Review Letters   Vol. 104 ( 23 ) page： 236404   2010.6

Gradual development of Gannma 5g antiferromagnetic moment in the giant negative thermal expansion material Mn(3)Cu(1-x)Ge(x)N (x~0.5) Reviewed

K. Kodama, S. Iikubo, K. Takenaka, M. Takigawa, H. Takagi, and S. Shamoto

Physical Review B   Vol. 82 ( 22 ) page： 224419   2010.6

Lorentz transmission electron microscopy observation of magnetic domains in La0.825Sr0.175(Mn, Al)O3 Reviewed

S. Mori, K. Yoshidome, Y. Nagamine, Y. Togawa, K. Yoshii, and K. Takenaka

Journal of Applied Physics   Vol. 107 ( 9 ) page： 09D306   2010.5

Mechanical Properties of Metallic Perovskite Mn(3)Cu(0.5)Ge(0.5)N: High-Stiffness Isotropic Negative Thermal Expansion Material Reviewed

Y. Nakamura, K. Takenaka, A. Kishimoto, and H. Takagi

Journal of the American Ceramic Society   Vol. 92 ( 12 ) page： 2999-3003   2009.12

Conversion of magnetic structure by slight dopants in geometrically frustrated antiperovskite Mn(3)GaN Reviewed

K. Takenaka, T. Inagaki, and H. Takagi

Applied Physics Letters   Vol. 95 ( 13 ) page： 132508   2009.10

Eptitaxial Growth of NdFeAsO Thin Films by Molecular Beam Epitaxy Reviewed

T. Kawaguchi, H. Uemura, T. Ohno, R. Watanabe, M. Tabuchi, T. Ujihara, K. Takenaka, Y. Takeda, and H. Ikuta

Applied Physics Express   Vol. 2 ( 9 ) page： 093002   2009.9

Effect of Ln-Site Disorder on Tc of Oxypnictide Superconductor LnFeAsO(1-x)F(x) (Ln = Nd, Ce-Gd, and La-Dy) Reviewed

K. Takenaka, R. Watanabe, H. Yamada, M. Tabuchi, Y. Takeda, and H. Ikuta

Journal of the Physical Society of Japan   Vol. 78 ( 7 ) page： 073701   2009.7

Local structure anomaly around Ge dopants in Mn(3)Cu(0.7)Ge(0.3)N with negative thermal expansion Reviewed

J. Matsuno, K. Takenaka, H. Takagi, D. Matsumura, Y. Nishihata, and J. Mizuki

Applied Physics Letters   Vol. 94 ( 18 ) page： 181904   2009.5

逆ペロフスカイト型マンガン窒化物Mn(3)CuNの磁歪 Invited Reviewed

竹中康司, 浅野和子

まてりあ   Vol. 48 ( 3 ) page： 105-110   2009.3

Zero thermal expansion in a pure-form antiperovskite manganese nitride Reviewed

K. Takenaka and H. Takagi

Applied Physics Letters   Vol. 94 ( 13 ) page： 131904   2009.3

Local Lattice Distortion in Giant Negative Thermal Expansion Material Mn(3)Cu(1-x)Ge(x)N Reviewed

S. Iikubo, K. Kodama, K. Takenaka, H. Takagi, M. Takigawa, and S. Shamoto

Physical Review Letters   Vol. 101 ( 20 ) page： 205901   2008.11

マンガン窒化物を用いた単一物質ゼロ膨張材料の開発 Invited

竹中康司

Material Stage   Vol. 8 ( 4 ) page： 1-3   2008.7

Magnetostriction in Mn(3)CuN Reviewed

K. Asano, K. Koyama, and K. Takenaka

Applied Physics Letters   Vol. 92 ( 16 ) page： 161909   2008.4

Magnetovolume effect in Ma(3)Cu(1-x)Ge(x)N related to the magnetic structure: Neutron powder diffraction measurements Reviewed

S. Iikubo, K. Kodama, K. Takenaka, H. Takagi, and S. Shamoto

Physical Review B   Vol. 77 ( 2 ) page： 020409(R)   2008.1

Negative thermal expansion in Ge-free antiperovskite manganese nitrides: Tin-doping effect Reviewed

K. Takenaka, K. Asano, M. Misawa, and H. Takagi

Applied Physics Letters   Vol. 92 ( 1 ) page： 011927   2008.1

Electric Resistivity and Phase Diagram Viewed from Charges in La(2-x)Sr(x)CuO(4) Reviewed

S. Sugai, Y. Takayanagi, J. Nohara, R. Shiozaki, and K. Takenaka

Journal of the Physical Society of Japan   Vol. 76 ( 4 ) page： 043710   2007

Observation of magnetic domain structures in La(1-x)Sr(x)Mn(3) Reviewed

T. Asaka, S. Mori, Y. Horibe, K. Takenaka, K. Ishizuka, K. Kimoto, and Y. Matsui

Journal of Magnetism and Magnetic Materials   Vol. 310 ( 2 ) page： 782-784   2007

希少・有害元素代替のための3d多元系機能材料の開発研究 Reviewed

藤田麻哉, 藤枝俊, 西野洋一, 土谷浩一, 福田隆, 竹中康司, 貝沼亮介, 深道和明

日本金属学会誌   Vol. 71 ( 10 ) page： 876-884   2007

Reply to Comment on `Collapse of Coherent Quasiparticle States in θ-(BEDT-TTF)2I3 Observed by Optical Sectroscopy' Reviewed

K. Takenaka, M. Tamura, N. Tajima, H. Takagi, J. Nohara, and S. Sugai

Physical Review Letters   Vol. 98 ( 21 ) page： 219803   2007

Magnetovolume Effect and Negative Thermal Expansion in Mn3(Cu1-xGex)N Reviewed

K. Takenaka and H. Takagi

Materials Transactions   Vol. 47 ( 3 ) page： 471-474   2006

巨大負膨張を示す逆ペロフスカイト型マンガン窒化物 Invited

竹中康司

固体物理   Vol. 41 ( 7 ) page： 361-368   2006

Mn3(Cu1-xGex)Nの磁気体積効果と負膨張 Reviewed

竹中康司, 高木英典

日本金属学会誌   Vol. 70 ( 9 ) page： 764-768   2006

Giant negative thermal expansion in Ge-doped antiperovskite manganese nitrides Reviewed

K. Takenaka and H. Takagi

Applied Physics Letters   Vol. 87 ( 26 ) page： 261902   2005.12

Collapse of Coherent Quasiparticle States in θ-(BEDT-TTF)2I3 Observed by Optical Spectroscopy Reviewed

K. Takenaka, M. Tamura, N. Tajima, H. Takagi, J. Nohara, and S. Sugai

Physical Review Letters   Vol. 95 ( 22 ) page： 227801   2005.11

Tomonaga-Luttinger Liquid-Fermi Liquid Transition in Chain of PrBa(2)Cu(4)O(8) Reviewed

S. Sugai, N. Kaji, A. Osuka, K. Takenaka, S. Horii, and H. Ikuta

Journal of the Physical Society of Japan   Vol. 74 ( 3 ) page： 871-874   2005

The Phonon Modes with Strong Electron-Phonon Interactions in p- and n-Type High Tc Superconductors Reviewed

S. Sugai, Y. Takayanagi, H. Suzuki, N. Hyamizu, Y. Sone, H. Mabuchi, T. Hosokawa, T. Muroi, J. Nohara, R. Shiozaki, and K. Takenaka

Journal of Superconductivity   Vol. 18 ( 5-6 ) page： 779-783   2005

Spectroscopic evidence for the low-temperature charge-separated state of [Pd(dmit)2] salts Reviewed

M. Tamura, K. Takenaka, H. Takagi, S. Sugai, A. Tajima, and R. Kato

Chemical Physics Letters   Vol. 411 ( 1-3 ) page： 133-137   2005

Universality of the Mott-Ioffe-Regel limit in metals Reviewed

N. E. Hussey, K. Takenaka, and H. Takagi

Philosophical Magazine   Vol. 84 ( 27 ) page： 2847-2864   2004

Incoherent charge dynamics of La(2-x)Sr(x)CuO(4): Dynamical localization and resistivity saturation Reviewed

K. Takenaka, J. Nohara, R. Shiozaki, and S. Sugai

Physical Review B   Vol. 68 ( 13 ) page： 134501   2003

Ferromagnetic Domain Structure in La(1-x)Sr(x)MnO(3) (x = 0.125) Reviewed

S. Mori, T. Asaka, Y. Horibe, Y. Matsui, R. Shiozaki, K. Takenaka, and S. Sugai

Materials Transactions   Vol. 44 ( 12 ) page： 2567-2569   2003

Charge dynamics of a double-exchange ferromagnet La(1-x)Sr(x)MnO(3) Reviewed

K. Takenaka, R. Shiozaki, and S. Sugai

Physical Review B   Vol. 65 ( 18 ) page： 184436   2002

Impurity effect on charge-ordered and ferromagnetic-metallic state in manganese perovskites: Comparison between Cr and Al doping Reviewed

K. Takenaka, S. Okuyama, R. Shiozaki, T. Fujita, and S. Sugai

Journal of Appleid Physics   Vol. 91 ( 5 ) page： 2994   2002

Coherent-to-incoherent crossover in the optical conductivity of La(2-x)Sr(x)CuO(4): Charge dynamics of a bad metal Reviewed

K. Takenaka, R. Shiozaki, S. Okuyama, J. Nohara, A. Osuka, Y. Takayanagi, and S. Sugai

Physical Review B   Vol. 65 ( 9 ) page： 092405   2002

Optical Reflectivity Spectra Measured on Cleaved Surfaces of Nd(0.5)Sr(0.5)MnO(3) Reviewed

K. Takenaka, S. Okuyama, S. Sugai, and M. Yu. Maksimuk

Journal of the Physical Society of Japan   Vol. 71 ( 12 ) page： 3065-3068   2002

Zn-substitution effect on the optical properties of PrBa(2)Cu(4)O(8) Reviewed

K. Takenaka, A. Osuka, S. Sugai, K. Nakada, S. Horii, H. Ikuta, and U. Mizutani

Physica C   Vol. 383 ( 3 ) page： 227-231   2002

「不良金属」の物理 Reviewed

竹中康司

日本物理学会誌   Vol. 57 ( 11 ) page： 822-825   2002

Anisotropic optical spectra of BaCo(1-x)Ni(x)S(2): Effect of Ni substitution on the electronic structure of the Co(1-x)Ni(x)S plane Reviewed

K. Takenaka, S. Kashima, A. Osuka, S. Sugai, Y. Yasui, S. Shamoto, and S. Sato

Physical Review B   Vol. 63 ( 11 ) page： 115113   2001

Effect of oxygen annealing on the electrical properties of La(1-x)Sr(x)MnO(3+d) single crystals around the compositional metal-insulator transition Reviewed

R. Shiozaki, K. Takenaka, Y. Sawaki, and S. Sugai

Physical Review B   Vol. 63 ( 18 ) page： 184419   2001

Optical Reflectivity Study on Al-Substituted La(0.825)Sr(0.175)MnO(3): Unconventional Localization State Induced by Vacancies in the Ferromagnetic Kondo Lattice Reviewed

K. Takenaka, Y. Sawaki, and S. Sugai

Journal of the Physical Society of Japan   Vol. 70 ( 7 ) page： 1896-1899   2001

Al-Substitution Effect on Resistivity in Paramagnetic Phase of La(1-x)Sr(x)CoO(3): Comparison with Magnetoresistive La(1-x)Sr(x)MnO(3) Reviewed

Y. Sawaki, K. Takenaka, and S. Sugai

Journal of the Physical Society of Japan   Vol. 70 ( 2 ) page： 602-603   2001

Electronic structure of the double-exchange ferromagnet La(0.825)Sr(0.175)MnO(3) studied by optical reflectivity Reviewed

K. Takenaka, Y. Sawaki, R. Shiozaki, and S. Sugai

Physical Review B   Vol. 62 ( 21 ) page： 13864-13867   2000

Al-substitution effect on charge transport inLa(1-x)Sr(x)MnO(3): Incoherent metallic state in double-exchange ferromagnet Reviewed

Y. Sawaki, K. Takenaka, A. Osuka, R. Shiozaki, and S. Sugai

Physical Review B   Vol. 61 ( 17 ) page： 11588-11593   2000

Anisotropic Optical Spectra of PrBa(2)Cu(4)O(8): Possible Tomonaga-Luttinger Liquid Response of the Quasi-One-Dimensional Metallic CuO Double Chains Reviewed

K. Takenaka, N. Nakada, A. Osuka, S. Horii, H. Ikuta, I. Hirabayashi, S. Sugai, and U. Mizutani

Physical Review Letters   Vol. 85 ( 25 ) page： 5428-5431   2000

Incoherent-to-coherent crossover of optical spectra inLa(0.825)Sr(0.175)MnO(3): Temperature-dependent reflectivityspectra measured on cleaved surfaces Reviewed

K. Takenaka, Y. Sawaki, and S. Sugai

Physical Review B   Vol. 60 ( 18 ) page： 13011-13015   1999

Optical Reflectivity Spectra Measured on Cleaved Surfaces of La(1-x)Sr(x)MnO(3): Evidence Against Extremely Small Drude Weight Reviewed

K. Takenaka, K. Iida, Y. Sawaki, S. Sugai, Y. Moritomo, and A. Nakamura

Journal of the Physical Society of Japan   Vol. 68 ( 6 ) page： 1828-1831   1999

In-plane thermal conductivity and Lorenz number inYBa(2)Cu(3)O(7-y) Reviewed

K. Takenaka, Y. Fukuzumi, K. Mizuhashi, S. Uchida, H. Asaoka, and H. Takei

Physical Review B   Vol. 56 ( 9 ) page： 5654-5661   1997

Universal Superconductor-Insulator Transition and Tc Depression in High-Tc Cuprates in the Uderdoped Regime Reviewed

Y. Fukuzumi, K. Mizuhashi. K. Takenaka, and S. Uchida

Physical Review Letters   Vol. 76 ( 4 ) page： 684-687   1996

Effect on Zn-doping on charge transport in YBa(2)Cu(3)O(7-y) Reviewed

K. Mizuhashi, K. Takenaka, Y. Fukuzumi, and S. Uchida

Physical Review B   Vol. 52 ( 6 ) page： R3884-3887   1995

Interplane charge transport in YBa(2)Cu(3)O(7-y):Spin-gap effect on in-plane and out-of-plane resistivity Reviewed

K. Takenaka, K. Mizuhashi, H. Takagi, and S. Uchida

Physical Review B   Vol. 50 ( 9 ) page： 6534-6537   1994

Systematic Deviation from T-linear Behavior in the In-PlaneResistivity of YBa(2)Cu(3)O(7-y): Evidence for DominantSpin Scattering Reviewed

T. Ito, K. Takenaka, and S. Uchida

Physical Review Letters   Vol. 70 ( 25 ) page： 3995-3998   1993

Electron-density Fourier maps of an untwinned YBa(2)Cu(3)O(6.877) single crystal by x-ray-diffraction data Reviewed

J. D. Sullivan, P. Bordet, M. Marezio, K. Takenaka, and S. Uchida

Physical Review B   Vol. 48 ( 14 ) page： 10638-10641   1993

Anisotropic optical spectrum of untwinned PrBa(2)Cu(3)O(7):Persistence of the charge-transfer insulating state ofthe CuO(2) plane against hole doping Reviewed

K. Takenaka, Y. Imanaka, K. Tamasaku, T. Ito, and S. Uchida

Physical Review B   Vol. 46 ( 9 ) page： 5833-5836   1992

負熱膨張性微粒子による電子デバイスのサーマル・マネジメント Invited

竹中康司

ニューセラミックス懇話会第238回研究会「セラミックス材料の新規合成法－薄膜化と微粒子化－」  ニューセラミックス懇話会

巨大負熱膨張材料による熱膨張制御 Invited

竹中康司

日本金属学会2018年秋期（第163回）講演大会  公益社団法人日本金属学会

巨大負熱膨張材料による熱膨張制御 Invited

竹中康司

日本セラミックス協会第31回秋季シンポジウム  公益社団法人日本セラミックス協会

Negative thermal expansion induced by microstructural effects in anisotropic thermal expansion materials Invited International conference

K. Takenaka

2nd International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-II) 

Giant negative thermal expansion materials: Paradigm shift of thermal expansion contro Invited International conference

K. Takenaka

Expert Guidance Key Project 2017 of Beihang University 

負熱膨張性フィラーによる複合材料の熱膨張制御 Invited

竹中康司

第24回フィラーシンポジウム 

Magnetovolume and magnetocaloric effects frustrated antiperovskite manganese nitrides Invited International conference

K. Takenaka

8th International Workshop on Spinel Nitrides and Related Materials 

Magnetovolume effects and negative thermal expansion of antiperovskite manganese nitrides Invited International conference

K. Takenaka

EMN Beijing Meeting 2016 

Magnetovolume effects of antiperovskite manganese nitrides Invited

K. Takenaka

Magnetovolume effects and negative thermal expansion in antiperovskite manganese nitrides Invited International conference

K. Takenaka

International Symposium on Negative Thermal Expansion and Related Materials (ISNTE) 

フラストレート系金属磁性体の磁気体積熱量効果 Invited

竹中康司

日本物理学会2015年秋季大会  一般社団法人日本物理学会

巨大負熱膨張を示すマンガン窒化物を用いた熱膨張可変金属基複合材料 Invited

竹中康司

粉体粉末冶金協会平成25年度秋季大会  一般社団法人粉体粉末冶金協会

負熱膨張－物質、機構、応用－ Invited

竹中康司

日本物理学会2013年秋季大会  一般社団法人日本物理学会

負熱膨張性マンガン窒化物を用いた熱膨張制御材料の開発

2008.4 - 2009.3

材料科学技術振興財団・平成20年度研究助成 

負熱膨張性マンガン窒化物を用いた熱膨張制御材料の開発

2007.4 - 2008.3

倉田記念日立科学技術財団・第40回倉田奨励金 

キャリア注入されたCuO一次元鎖の低エネルギー電荷励起

2001.4 - 2003.4

大幸財団・学術研究助成 

Development of thermal expansion compensator utilizing giant negative thermal expansion of ruthenium oxides

Grant number：17H02763  2017.4 - 2020.3

Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

Takenaka Koshi

Valence fluctuation in rare-earth 4f electrons and giant negative thermal expansion

Grant number：16K13663  2016.4 - 2018.3

Takenaka Koshi

マンガン窒化物の電気抵抗極大：特異な伝導機構解明と抵抗標準材料への展開

Grant number：26266038  2014.4 - 2017.3

日本学術振興会  科学研究費補助金  基盤研究(B)

竹中　康司

負熱膨張性マンガン窒化物の局所磁性と機能

Grant number：26108709  2014.4 - 2016.3

文部科学省  科学研究費補助金  新学術領域研究

竹中　康司

逆ペロフスカイト型マンガン窒化物を用いたゼロ膨張セラミック材料の開発

Grant number：19360304  2007.4 - 2010.3

日本学術振興会  科学研究費補助金  基盤研究(B)

竹中　康司

一硫化サマリウムの製造方法、体積変化材料、および体積制御部材

竹中康司, 岡本佳比古, 海津瞭一

ルテニウム酸化物、熱膨張抑制剤、負熱膨張材料、ゼロ熱膨張材料、低熱膨張材料、およびルテニウム酸化物の製造方法

竹中康司, 岡本佳比古, 篠田翼

電流制御素子又は電圧制御素子を構成することを用途とする材料、電流制御素子、及び電圧制御素子

竹中康司

樹脂－セラミックス複合材料およびその製造方法

原田保，石井守，渡邉雅幸，竹中康司，松野丈夫，高木英典

磁気冷凍材料およびその製造方法、ならびに、反強磁性材料を強磁性材料に変質させる方法

竹中康司　高木英典

温感素子、温感素子の製造方法、一次相転移温度の調整方法

竹中康司，高木英典

低膨張材料および低膨張材料の製造方法

竹中康司，高木英典

磁性材料工学特論

2019

物理工学序論

2018

基礎セミナーA

2018

統計力学B

2018

応用物理学演習第5

2018

磁性材料工学特論

2017

応用物理学演習第5

2017

統計力学B

2017

連続体の力学

2017

連続体の力学

2016

統計力学B

2016

応用物理学演習第5

2016

応用物理学演習第5

2015

統計力学B

2015

相関電子材料工学特論

2015

先端材料と物性物理

2015

連続体の力学

2015

連続体の力学

2015

統計力学B

2014

連続体の力学

2014

応用物理学演習第5

2014

物理学実験G30

2013

物理学実験

2013

電子物性学特論II

2013

物理学実験

2012

物理学実験G30

2012

物理学実験

2011

応用物理学セミナー

2011

電子物性学特論II

2011

物理学実験

2010

電子物性学特論II

2009

半導体などの熱膨張を制御 Newspaper, magazine

日本経済新聞  11面  2019.1

温めると縮む新材料 TV or radio program

NHK テレビ：ほっとイブニング  2017.1

温めると縮む新材料開発 Newspaper, magazine

朝日新聞  27面  2017.1

ニッポン発 素材の未来 Newspaper, magazine

日経産業新聞  1面  2012.10

温度変化、体積変わらず Newspaper, magazine

日経産業新聞  11面  2012.2

熱で膨張しないセラミック Newspaper, magazine

毎日新聞  37面  2008.3

加熱すると均一に縮む新合金 Newspaper, magazine

産経新聞  9面  2006.1

熱で縮む新合金開発：理研ほか Newspaper, magazine

毎日新聞  27面  2005.12