Hirai Daigorou

ヒライダイゴロウ | Hirai Daigorou

Affiliation and department：
Job title： Associate Professor

Research field (2)： Magnetism, superconductivity, and strongly correlated systems , Inorganic materials

Research theme for competitive and other funds (8)：

2023 - 2028 1000 T結晶格子の探索と解明
2022 - 2024 Material search and investigation of spin-nematic state induced by spin-orbit interaction
2020 - 2024 Material research and physics of multipole in 5d electron systems
2019 - 2021 New optical and electronic properties designed by coordination engineering
2018 - 2020 Itinerant multipole order in spin-orbit-coupled metals

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Papers (67)：

K. Takada, J. Shibutani, K. Yagi, F. Ikawa, Y. Yokoyama, D. Hirai, Y. Okamoto, N. Katayama, Y. Umena, L. M. G. H. Chavas, et al. Electric field-induced volume change in pyro-vanadate-phosphates: Toward an alternative actuator architecture. Applied Physics Letters. 2024. 125. 4
Yusaku Shinoda, Yoshihiko Okamoto, Youichi Yamakawa, Hiroshi Takatsu, Hiroshi Kageyama, Daigorou Hirai, Koshi Takenaka. Superconductivity in Ternary Germanide ScPdGe and Silicide ScPdSi. Journal of the Physical Society of Japan. 2024. 93. 2
Maiko Kofu, Seiko Ohira-Kawamura, Naoki Murai, Rieko Ishii, Daigorou Hirai, Hiroshi Arima, Kenichi Funakoshi. Magnetic boson peak in classical spin glasses. Physical Review Research. 2024. 6. 1
K. Takenaka, Y. Mizuno, J. Shibutani, K. Kishida, K. Takada, K. Yagi, Y. Yokoyama, N. Katayama, Y. Okamoto, D. Hirai, et al. Electroactive actuator composites using volume change induced by insulator-to-metal transition in VO2. Applied Physics Letters. 2023. 123. 23
Toshiya Ikenobe, Takahiro Yamada, Daigorou Hirai, Hisanori Yamane, Zenji Hiroi. Superconductivity induced by doping holes in the nodal-line semimetal NaAlGe. Physical Review Materials. 2023. 7. 10

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MISC (31)：

片岡亨太, 平井大悟郎, 矢島健, 浜根大輔, 橘高俊一郎, 榊原俊郎, 広井善二. Kitaevスピン液体候補物質OsCl₃の合成と物性. 日本物理学会講演概要集(CD-ROM). 2019. 74. 1
Daigorou Hirai, Mazhar. N. Ali, R. J. Cava. Strong Electron-Phonon Coupling Superconductivity Induced by a Low-lying Phonon in IrGe. J. Phys. Soc. Jpn. 82, 124701 (2013). 2018
松林康仁, 平井大悟郎, 浜根大輔, 徳永将史, 広井善二. パイロクロア酸化物超伝導体Cd₂Re₂O₇の純良単結晶育成と正方晶ドメイン構造. 日本物理学会講演概要集(CD-ROM). 2018. 73. 1
Matsuhira, K., Nakamura, K., Yasukuni, Y., Yoshimoto, Y., Hirai, D., Hiroi, Z. Nonlinear conductivity of geometrically frustrated iridate Ca5Ir3O12. Journal of the Physical Society of Japan. 2018. 87. 1
Hiroi, Z., Yamaura, J.-I., Kobayashi, T.C., Matsubayashi, Y., Hirai, D. Pyrochlore Oxide Superconductor Cd2Re2O7 Revisited. Journal of the Physical Society of Japan. 2018. 87. 2

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Lectures and oral presentations (1)：

One-dimensionalization by frustration in the anisotropic triangular lattice of the 5d quantum antiferromagnets A3ReO5Cl2 (A = Ca, Sr, and Ba)
(International Conference on Highly Frusturated Magnetism 2018 2018)

Professional career (1)：

Work history (4)：

2022/05 - 現在 Nagoya University Graduate School of Engineering Applied Physics Associate Professor
2015/02 - 2022/04 The University of Tokyo Materials Design and Characterization Laboratory Affiliated to the ISSP Reserch associate
2013/03 - 2015/01 The University of Tokyo Graduate School of Science Postdoctoral Fellow
2011/05 - 2013/02 Princeton University Department of Chemistry Postdoctoral Fellow

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