竹内 徹也

竹内 徹也（たけうち てつや）

専門：極低温強磁場物性

　室温から希釈冷凍機によるmK（ミリケルビン）の極低温に至る温度域で、比熱、熱膨張、磁歪、磁化、電気伝導など様々な実験手法を用い、電子相関の強いf電子やd電子系が織りなす新しい物理現象の探求と解明の研究を行っています。学内外の多くの研究者の方々と共同研究を行っています。また、理学研究科附属先端強磁場科学研究センターを兼任し、60 T（テスラ）に至る超強場中での極低温環境創成のための装置開発と測定も行っています。上記の固体物性以外に、生体に対する磁場効果（磁場中でのフィブリン配向、赤血球の磁場配向、繊毛、鞭毛の磁場配向など）の研究も行ってきました。

受賞・特許等

平成16年9月　日本金属学会論文賞（共同受賞） T. Sakamoto, T. Fukuda, T. Kakeshita, T. Takeuchi and K. Kishio “Influence of Magnetic Field Direction on Rearrangement of Martensite　Variants in an Fe-Pd Alloy” Materials Trans. 44 (2003) 2495-2498．

平成18年4月　日本物理学会注目論文 I. Sugitani, Y. Okuda, H. Shishido, T. Yamada, A. Thamhavel, E. Yamamoto, T. D. Matsuda, Y. Haga, T. Takeuchi, R. Settai, Y. Ōnuki “Pressure-induced heavy-fermion superconductivity in antiferromagnet CeIrSi3 without inversion symmetry” J. Phys. Soc. Jpn. 75 (2006) 043703.

平成25年8月　日本物理学会注目論文 Yuichi Hiranaka, Ai Nakamura, Masato Hedo, Tetsuya Takeuchi, Akinobu Mori, Yusuke Hirose, Katsuya Mitamura, Kiyohiro Sugiyama, Masayuki Hagiwara, Takao Nakama, and Yoshichika Ōnuki “Heavy Fermion State Based on the Kondo Effect in EuNi2P2” J. Phys. Soc. Jpn. 82 (2013) 083708/1-4.

特許 超磁歪合金およびその製造方法，掛下知行、福田隆、竹内徹也，特願2000-58015（登録），2000年02月

出版論文

1) Ai Nakamura, Tetsuya Takeuchi, Yasutomi Tatetsu, Takahiro Maehira Hisatomo Harima, Masato Hedo, Takao Nakama and Yoshichika Onuki “Fermi Surface Properties of Eu-Divalent and Eu-Trivalent Electronic States with the AuCu3-type Cubic Structure” Journal of Physics: Conference Series 592 (2015) 012048/1-6

2) Yoshichika Onuki, Ai Nakamura, Dai Aoki, Mounir Boukahil, Yoshinori Haga, Tetsuya Takeuchi, Hisatomo Harima, Masato Hedo and Takao Nakama “Mass Enhancement of Nearly Trivalent Compound EuCo2Si2: Studied by the de Haas-van Alphen Experiments and Energy Band Calculations” Journal of Physics: Conference Series 592 (2015) 012049/1-8.

3) Shojiro Kimura, Masayuki Hagiwara, Tetsuya Takeuchi, Hironori Yamaguchi, Hiroaki Ueda, and Koichi Kindo “Exchange Interactions of the Chromium Spinel Oxide HgCr2O4 in High Magnetic Fields Examined by the Magnetoelastic Theory” J. Phys. Soc. Jpn. 83 (2014) 113709/1-5.

4) Tetsuya Takeuchi, Ai Nakamura, Masato Hedo, Takao Nakama, Yoshichika Ōnuki “Contribution of J-Multiplet Levels to the Physical Properties of EuPd3 with the Trivalent Electronic State” J. Phys. Soc. Jpn. 83 (2014) 114001/1-8.

5) Atsushi Teruya, Ai Nakamura, Tetsuya Takeuchi, Hisatomo Harima, Kiyoharu Uchida, Masato Hedo, Takao Nakama, Yoshichika Ōnuki “De Haas-van Alphen Effect and Fermi Surface Properties in Nearly Ferromagnet SrCo2P2” J. Phys. Soc. Jpn. 83 (2014) 113702/1-4.

6) Ai Nakamura, Yuichi Hiranaka, Taro Uejo, Tetsuya Takeuchi, Fuminori Honda, Hisatomo Harima, Kazuyuki Matsubayashi, Yoshiya Uwatoko, Masato Hedo, Takao Nakama, Yoshichika Ōnuki “Magnetic and Fermi Surface Properties of Antiferromagnet EuCd11” J. Phys. Soc. Jpn. 83 (2014) 074714/1-7.

7) Koji Kaneko, O. Stockert, B. Fak, S. Raymond, M. Skoulatos, Tetsuya Takeuchi, Yoshichika Ōnuki “Magnetic-Field-Enhanced Aniferromagnetism in the Noncentrosymmetric Heavy-Fermion Superconductor CePt3Si” Phys. Rev. B 89 (2014) 241105/1-5.

8) Ai Nakamura, Tetsuya Takeuchi, Hisatomo Harima, Masato Hedo, Takao Nakama, and Yoshichika Ōnuki “De Haas–van Alphen Effect and Fermi Surface Properties of EuPd3 with the Trivalent Electronic State” J. Phys. Soc. Jpn. 83 (2014) 053708/1-4.

9) Fuminori Honda, Yuki Taga, Yusuke Hirose, Shingo Yoshiuchi, Yoshiharu Tomooka, Masahiro Ohya, Jyunya Sakaguchi, Tetsuya Takeuchi, Rikio Settai, Yasuyuki Shimura, Toshiro Sakakibara, Ilya Sheikin, Toshiki Tanaka, Yasunori Kubo, and Yoshichika Ōnuki “Novel Electronic States of Heavy Fermion Compound YbCo2Zn20” J. Phys. Soc. Jpn. 83 (2014) 044703/1-9.

10) Akinobu Mori, Yasunao Miura, Hiroki Tsutsumi, Katsuya Mitamura, Masayuki Hagiwara, Kiyohiro Sugiyama, Yusuke Hirose, Fuminori Honda, Tetsuya Takeuchi, Ai Nakamura, Yuichi Hiranaka, Masato Hedo, Takao Nakama, and Yoshichika Ōnuki “First-Order Antiferromagnetic Transition and Fermi Surfaces in Semimetal EuSn3” J. Phys. Soc. Jpn. 83 (2014) 024008/1-7.