研究活動

原著論文 2017年

2017.12.17

Quantum theory of rare-earth magnets

T. Miyake and H. Akai,

2017.12.15

Coercivity enhancement of hot-deformed Ce-Fe-B magnets by grain boundary infiltration of Nd-Cu eutectic alloy

Xin Tang, H. Sepehri-Amin, T. Ohkubo, M. Yano, M. Ito, A. Kato, N. Sakuma, T. Shoji, T. Schrefl, K. Hono (https://doi.org/10.1016/j.actamat.2017.10.071),

2017.12.12

Coercivity enhancement of Nd-Fe-B hot-deformed magnets by the eutectic grain boundary diffusion process using Nd-Ga-Cu and Nd-Fe-Ga-Cu alloys

Lihua Liu, H. Sepehri-Amin, T. T. Sasaki, T. Ohkubo, M. Yano, N. Sakuma, A. Kato, T. Shoji, K. Hono (https://doi.org/10.1063/1.5006575),

2017.12.01

First-principles study on the magnetic properties of ordered Nd6(Fe,Ga)14 alloys

Kazushige Hyodo, Yuta Toga, and Akimasa Sakuma (https://doi.org/10.1063/1.5007723),

2017.11.29

Origin of the coercivity difference in Nd-Fe-B sintered magnets processed from hydrogenation-disproportionation-desorption-recombination powder and jet-milled powder

XU Xiandong(NIMS),CA 佐々木泰祐(NIMS),宇根康弘(インターメタリックス株式会社),久保博一(インターメタリックス株式会社),大久保忠勝(NIMS),佐川眞人(インターメタリックス株式会社),宝野和博(NIMS) (https://doi.org/10.1016/j.actamat.2018.03.062),

2017.11.28

L-edge resonant magneto-optical Kerr effect of a buried Fe nanofilm

Y. Kubota, M. Taguchi, H. Akai, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M.Fujisawa, K. Yamamoto, Y. Yokoyama, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin, and I.Matsuda (https://doi.org/10.1103/PhysRevB.96.134432),

2017.10.26

Machine learning reveals orbital interaction in materials

Tien Lam Pham, Hiori Kino, Kiyoyuki Terakura, Takashi Miyake, Ichigaku Takigawa, Koji Tsudaand Hieu Chi Dam (http://dx.doi.org/10.1080/14686996.2017.1378060),

2017.10.18

Distribution of eigenstate populations and dissipative beating dynamics in uniaxial single-spin magnets

Takuya Hatomura, Bernard Barbara, and Seiji Miyashita (https://doi.org/10.1103/PhysRevB.96.134309),

2017.09.27

Temperature and field direction dependences of first-order reversalcurve (FORC) diagrams of hot-deformed Nd-Fe-B magnets

Takahiro Yomogita, Satoshi Okamoto, Nobuaki Kikuchi, Osamu Kitakami,Hossein Sepehri-Amin, Tadakatsu Ohkubo, Kazuhiro Hono, Takahiro Akiya, Keiko Hioki, AtsushiHattori (https://doi.org/10.1016/j.jmmm.2017.09.072),

2017.08.24

Cluster evolution in molecular three-dimensional spin-crossover systems.

Laurentiu Stoleriu, Masamichi Nishino, Seiji Miyashita, Alexandru Stancu, Andreas Hauser, and Cristian Enachescu (https://doi.org/10.1103/PhysRevB.96.064115),

2017.08.23

2017.08.01

First-principles investigation of magnetic compounds NdFe12 and NdFe12X (X=B, C, N, O, F)and their inter-site magnetic couplings

Taro Fukazawa, Hisazumi Akai, Yosuke Harashima, and Takashi Miyake (https://doi.org/10.1063/1.4996989),

2017.07.01

アークプラズマ蒸着法による複合磁性ナノ粒子の作製

松浦 昌志、五十嵐 拓也、山本 鉄郎、手束 展規、杉本 諭 ( https://doi.org/10.2497/jjspm.64.364),

2017.06.08

Synergetic effect of spin-orbit coupling and Zeeman splitting on the optical conductivity in theone-dimensional Hubbard model

Adrien Bolens, Hosho Katsura, Masao Ogata, and Seiji Miyashita (https://doi.org/10.1103/PhysRevB.95.235115),

2017.06.03

Intrinsic hard magnetic properties of Sm(Fe1-xCox)12 compound with the ThMn12 structure

Y. Hirayama, Y.K. Takahashi, S. Hirosawa, K. Hono (https://doi.org/10.1016/j.scriptamat.2017.05.029),

2017.04.17

Quantitative evaluation of site preference in Dy-substituted Nd2Fe14B

Kotaro Saito, Shotaro Doi, Taichi Abe, Kanta Ono (https://doi.org/10.1016/j.jallcom.2017.04.155),

2017.03.28

Atomistic-model study of temperature-dependent domain walls in the neodymium permanent magnet Nd2Fe14B

Masamichi Nishino, Yuta Toga, Seiji Miyashita, Hisazumi Akai, Akimasa Sakuma, and Satoshi Hirosawa (https://doi.org/10.1103/PhysRevB.95.094429),

2017.03.02

Perspectives for high-performance permanent magnets: applications, coercivity, and new materials

Satoshi Hirosawa, Masamichi Nishino and Seiji Miyashita (https://doi.org/10.1088/2043-6254/aa597c),

2017.01.04

Size and temperature dependence of the line shape of ESR spectra of the XXZ antiferromagnetic chain

Hiroki Ikeuchi, Hans De Raedt, Sylvain Bertaina, and Seiji Miyashita,


研究活動

文部科学省

文部科学省
元素戦略プロジェクト(活動紹介)
NIMS磁石パートナーシップ

元素戦略拠点

触媒・電池元素戦略拠点
触媒・電池元素戦略研究拠点 (京都大学)
東工大元素戦略拠点
東工大元素戦略拠点 (東京工業大学)
構造材料元素戦略研究拠点
構造材料元素戦略研究拠点 (京都大学)
高効率モーター用磁性材料技術研究組合
高効率モーター用 磁性材料技術研究組合