Ohta Hiroto

オオタヒロト | Ohta Hiroto

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

Research theme for competitive and other funds (9)：

2020 - 2023 Study on new functional enhancement methods of itinerant ferromagnets in transition-metal pnictides
2018 - 2023 Emergent Research for Novel Itinerant-Electron Properties in Transition-Metal Compounds
2017 - 2020 Study on functional materials and ways of their functional enhancement from viewpoint of sub-nanosheet magnets
2014 - 2018 Study of Undergraduate Laboratory Subjects without Manuals
2015 - 2017 Study on mechanism of anomalous behavior of localized magnetic moments in itinerant electronic ferromagnets

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Papers (28)：

Hirofumi Sakakibara, Masayuki Ochi, Hibiki Nagata, Yuta Ueki, Hiroya Sakurai, Ryo Matsumoto, Kensei Terashima, Keisuke Hirose, Hiroto Ohta, Masaki Kato, et al. Theoretical analysis on the possibility of superconductivity in the trilayer Ruddlesden-Popper nickelate La₄Ni₃O₁₀ under pressure and its experimental examination: Comparison with La₃Ni₂O₇. PHYSICAL REVIEW B. 2024. 109. 144511
Hiroyuki Nakamura, Hiroto Ohta, Ryuya Kobayashi, Takeshi Waki, Yoshikazu Tabata, Hidekazu Ikeno, Christian Méry. Site-selective cobalt substitution in La-Co co-substituted magnetoplumbite-type ferrites: ⁵⁹Co-NMR and DFT calculation study. Journal of Physics: Materials. 2024. 7. 025012
Mohamed Abdelkareem Kassem, Taiki Shiotani, Hiroto Ohta, Yoshikazu Tabata, Takeshi Waki, Hiroyuki Nakamura. A new double-layered kagome antiferromagnet ScFe₆Ge₄. Solid State Communications. 2024. 385. 115513
T. Shiotani, H. Ohta, T. Waki, Y. Hashimoto, Y. Tabata, H. Nakamura. Emergent strong ferromagnetism in site-ordered Laves phase YMgCo₄. Journal of Alloys and Compounds. 2023. 961. 170990
Raito Nakamura, Azumi Ishita, Jin Nakamura, Hiroto Ohta, Yuya Haraguchi, Hiroko Aruga Katori, Hajime Ishikawa, Akira Matsuo, Koichi Kindo, Minoru Nohara, et al. Magnetic-field-induced valence change in Eu(Co_1-xNi_x)₂P₂ up to 60 T. Physical Review B. 2023. 107. 23. 235110

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MISC (139)：

吉永公平, 森山広大, 道岡千城, 植田浩明, 太田寛人, 香取浩子, 吉村一良. Itinerant Magnetism Research for the Single Crystals of Ca₂(Fe_xCo_1-x)₁₂P₇. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1
杉山純, 大石一城, 太田寛人, 加藤優典, 香取浩子, MORRIS Gerald D., HITTI Bassam, ARSENEAU Donald, FORSLUND Ola K., NOCERINO Elisabetta, et al. μ⁺SR study on R₂Co₁₂P₇. 日本物理学会講演概要集(CD-ROM). 2021. 76. 1
吉永公平, 奈良建佑, 森山広大, 道岡千城, 植田浩明, 吉村一良, 太田寛人, 香取浩子. (Mg_xCa_1-x)₂Co₁₂P₇の単結晶を用いた遍歴電子磁性研究. 粉体粉末冶金協会講演大会(Web). 2021. 2021
柿本和勇, 太田寛人, 原口祐哉, 萩原雅人, 鳥居周輝, 神山崇, 畠山温, 香取浩子. Study on magnetic structure of andalusite structure Al_xFe_2-xGeO₅ (x = 0.15, 0.2). 日本物理学会講演概要集(CD-ROM). 2021. 76. 1
中村頼人, 太田寛人, 原口祐哉, 香取浩子, 松尾晶, 金道浩一, 中村仁. Structure and magnetism of intermediate valence compound Eu(Co_1-xNi_x)₂P₂. 日本物理学会講演概要集(CD-ROM). 2021. 76. 1

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Lectures and oral presentations (5)：

23Na, 1H and 2D NMR study of layered compound Na2CoO2・yH2O
(The physical society of Japan, 2006 Autumn Meeting 2006)
23Na NMR study of NaxCoO2・yH2O
(The physical society of Japan, 2006 Annual (61st) Meeting 2006)
Duration dependence and 23Na NMR study of NaxCoO2・yH2O
(The physical society of Japan, 2005 Autumn Meeting 2005)
NMR studies of NaxCoO2・yH2O superconductors and the related compounds
(The physical society of Japan, 2005 Annual (60th) Meeting 2005)
Physical properties of Yb1-xRxInCu4 (R = Y, La, Ce)
(The physical society of Japan, 2004 Annual (59th) Meeting 2004)

Professional career (1)：

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