[S1] Element strategy for high performance permanent magnets 8 -Fundamental and basic research toward next-generation novel materials-

[S1.20] Effects of the magnetic anisotropy of surface Nd atoms and thermal fluctuation on the coercivity in Nd magnets

*Masamichi Nishino¹, Ismail Uysal¹, Hiroshi Hayasaka¹, Miyashita Seiji^1,2 (1. NIMS, 2. ISSP, Univ. of Tokyo)

Keywords:ネオジム磁石、保磁力、熱揺らぎ、ダイナミクス

Nd磁石の表面Nd原子の磁気異方性に注目し、ゼロ温度と有限温度において、原子論的モデルを用いて表面の異方性が保磁力にどのような影響を与えるか調べた。