[S7] Element strategy for high performance permanent magnets 9 -Fundamental and basic research toward next-generation novel materials-

4:10 PM - 4:35 PM JST(7:10 AM - 7:35 AM UTC)

[S7.6] Hysteretic 3D magnetic domain observation of a fine-grained Nd-Fe-B sintered magnet

*Satoshi OKAMOTO^1,2, Makoto TAKEUCHI¹, Shintaro KOBAYASHI³, Yoshinori KOTANI³, Tetsuya NAKAMURA^1,2,3, Nobuaki KIKUCHI¹, Tadakatsu OHKUBO², Kazuhiro HONO², Yasuhiro UNE⁴, Motohiro SUZUKI⁵ (1. Tohoku Univ., 2. ESICMM-NIMS, 3. JASRI, 4. Daido Steel Co. Ltd., 5. Kwansei Gakuin Univ.)

Keywords:

Nd-Fe-B,磁区,トモグラフィー,放射光

極微細粒Nd-Fe-B焼結磁石を用いた硬X線磁気トモグラフィー測定を行い、ヒステリシス曲線に沿った3次元磁区挙動を計測することに成功した。