YOKOYAMA Makoto

ヨコヤママコト | YOKOYAMA Makoto

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://ltphys.sci.ibaraki.ac.jp/

Research field (1)： Magnetism, superconductivity, and strongly correlated systems

Research theme for competitive and other funds (12)：

2023 - 2026 エキゾチック超伝導および非フェルミ液体異常をもたらす量子臨界状態の包括的理解
2023 - 2024 極低温無冷媒冷凍機で比熱を測定するための技術指導
2020 - 2023 Research on the mechanism of exotic superconductivity coupled with quantum critical fluctuations
2017 - 2021 Interplay between unusual superconducting critical field and magnetic correlation in Pauli-limited superconductors
2013 - 2016 Analysis on the multiphase diagram of spin-triplet superconductivity by micromagnetization measurements

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Papers (108)：

S. Kittaka, Y. Kono, K. Tsunashima, D. Kimoto, M. Yokoyama, Y. Shimizu, T. Sakakibara, M. Yamashita, and K. Machida. Modulation vector of the Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn5 revealed by high-resolution magnetostriction measurements. Physical Review B. 2023. 107. L220505-1-L220505-6
K. Iwasa, K. Suyama, S. Ohira-Kawamura, K. Nakajima, S. Raymond, P. Steffens, A. Yamada, T. D. Matsuda, Y. Aoki, I. Kawasaki, et al. Weyl-Kondo semimetal behavior in the chiral structure phase of Ce3Rh4Sn13. Physical Review Materials. 2023. 7. 1. 014201-1-014201-11
H. Sakai, Y. Tokunaga, S. Kambe, J.-X. Zhu, F. Ronning, J. D. Thompson, H. Kotegawa, H. Tou, K. Suzuki, Y. Oshima, et al. Nested antiferromagnetic spin fluctuations and non-Fermi-liquid behavior in electron-doped CeCo1-xNixIn5. Physical Review B. 2022. 106. 23. 235152-1-235152-8
W. Higemoto, M. Yokoyama, T. U. Ito, T. Suzuki, S. Raymond, and Y. Yanase. Direct measurement of the evolution of magnetism and superconductivity toward the quantum critical point. Proceedings of the National Academy of Sciences of the United States of America. 2022. 119. 49. e2209549119-1-e2209549119-6
Ikuto Kawasaki, Shin-ichi Fujimori, Yukiharu Takeda, Hiroshi Yamagami, Rahmanto, Yutoku Honma, Kensuke Matsuoka, and Makoto Yokoyama. Evolution of the electronic structure and correlations accompanied by suppression of itinerant ferromagnetism in Sr1-x(La0.5K0.5)xRuO3. Physical Review B. 2022. 105. 19. 195122-1-195122-8

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MISC (107)：

鈴木康平, 横山淳, 大島佳樹, 天谷健一, 近藤晃弘, 金道浩一, 中村翔太, 橘高俊一郎, 榊原俊郎. Ce(Co_1-xNi_x)In₅における量子臨界揺らぎ. 日本物理学会講演概要集(CD-ROM). 2018. 73. 1. ROMBUNNO.24pK504-6
酒井宏典, 服部泰佑, 徳永陽, 神戸振作, RONNING Filip, ZHU Jianxin, 鈴木康平, 大島佳樹, 横山淳. Zn置換CeCoIn₅におけるNQR/NMR研究. 日本物理学会講演概要集(CD-ROM). 2018. 73. 1. ROMBUNNO.24pK504-2-2279
Kohama Yoshimitsu, Otaka Ryo, Yokoyama Makoto, Matsuo Akira, Kindo Koichi. 20pPSB-8 Entropy and Electronic State of CeRh_2Si_2 in high magnetic field. Meeting Abstracts of the Physical Society of Japan. 2016. 71. 0. 2113-2113
Mashiko H., Yokoyama M., Sakon Y., Tenya K., Kondo A., Kindo K., Kono Y., Shimizu Y., Sakakibara T. 17aPS-11 Magnetic field versus temperature phase diagram of the heavy-fermion superconductor CeCo(In_<1-x>Zn_x)_5. Meeting Abstracts of the Physical Society of Japan. 2015. 70. 1809-1809
Kohama Y., Yokoyama M., Kindo K., Amitsuka H. 23pBC-14 Entropy in Heavy Fermion Antiferromagnet CeRh_2Si_2. Meeting Abstracts of the Physical Society of Japan. 2015. 70. 0. 2299-2299

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Lectures and oral presentations (100)：

CaRuO3のLa0.5K0.5イオン置換系における非フェルミ液体からフェルミ液体へのクロスオーバー
(日本物理学会2024年春季大会 2024)
ホール抵抗測定で探るNi置換したCeCoIn5のキャリアドープ効果と量子臨界現象
(日本物理学会2024年春季大会 2024)
Ce3T4Sn13(T = Co, Rh, Ir)のカイラル相における4f 電子状態とWeyl-Kondo半金属
(日本物理学会第78 回年次大会 2023)
Znイオン置換したCeCoIn5の超伝導と反強磁性秩序の共存
(日本物理学会第78 回年次大会 2023)
比熱や磁化測定から見るCeCo(1-x)NixIn5 の量子臨界揺らぎ
(日本物理学会第78回年次大会 2023)

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Education (3)：

Professional career (2)：

Work history (5)：

Association Membership(s) (3)：

American Physical Society , International Society for μSR Spectroscopy , The Physical Society of Japan

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