研究活動

原著論文 2014年

2014.12.09

Direct observation of ferromagnetism in grain boundary phase of Nd-Fe-B sintered magnet using soft x-ray magnetic circular dichroism

http://dx.doi.org/10.1063/1.4902329 (T. Nakamura, A. Yasui, Y. Kotani, T. Fukagawa, T. Nishiuchi, H. Iwai, T. Akiya, T. Ohkubo, Y. Gohda, K. Hono, S. Hirosawa)

2014.10.18

Relations between Parameters in Different Sublattice Configurations for CALPHAD-Type Thermodynamic Assessments

Vol. 55, No. 11 (2014) pp. 1683 to 1688 (Taichi ABE, Kiyoshi HASHIMOTO, Ryoji SAHARA, Cenk KOCER)

2014.08.26

Improvement of magnetic hardness at nite temperatures:ab initio disordered local moment approach for YCo5

DOI: http://dx.doi.org/10.1103/PhysRevB.90.054421 (Munehisa Matsumoto, Rudra Banerjee amd Julie Staunton)

2014.07.01

CALPHAD法における異なる侵入型副格子モデル間のパラメーター変換

日本金属学会誌 (Vol. 78, No. 7 (2014), pp. 274279), 阿部太一、橋本清

2014.06.16

Strain effects on the magnetic anisotropy of Y2Fe14B examined by first-principles calculations

Applied Physics Letters (104, 242403 (2014)), Z. Torbatian (UT), T.Ozaki (JAIST), S.Tsuneyuki (UT), Y.Gohda (Tokyo Tech&UT)

2014.05.26

Faceted shell structure in grain boundary diffusion-processed sintered Nd-Fe-B magnets

Journal of Alloys and Compounds (617 (2014) 884–892), U.M.R.Seelam, T. Ohkubo, T. Abe, S. Hirosawa, K. Hono (NIMS)

2014.04.16

High-coercivity hot-deformed Nd–Fe–B permanent magnets processed by Nd–Cu eutectic diffusion under expansion constraint

Scripta Materialia 81 (2014) 48–51, T. Akiya (NIMS), J. Liu, K. Hono (NIMS, Tsukuba Univ.), H. Sepehri-Amin, T. Ohkubo (NIMS), K. Hioki, A. Hattori (Daido Steel Co. Ltd)

2014.03.17

Second-order Perturbation Formula for Magnetocrystalline Anisotropy using Orbital Angular Momentum Matrix

J. Phys. Soc. Jpn. (DOI: http://dx.doi.org/10.7566/JPSJ.83.044707), Taichi Kosugi (AIST and RIKEN), Takashi Miyake (AIST), Shoji Ishibashi (AIST)

2014.03.05

Improved tetrahedron method for the Brillouin-zone integration applicable to responsefunctions

Phys. Rev. B (DOI: http://dx.doi.org/10.1103/PhysRevB.89.094515), Mitsuaki Kawamura、Yoshihiro Gohda、Shinji Tsuneyuki (Tokyo Univ.)

2014.03.05

First-Principles Study of Magnetocrystalline Anisotropy and Magnetization in NdFe12, NdFe11Ti and NdFe11TiN

J. Phys. Soc. Jpn. (DOI: http://dx.doi.org/10.7566/JPSJ.83.043702), Takashi Miyake (AIST and ESICMM), Kiyoyuki Terakura (AIST and NIMS), Yosuke Harashima (AIST and ESICMM), Hiori Kino (NIMS and ESICMM), Shoji Ishibashi (AIST)


研究活動

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