[G] Soft/Hard Magnetic Materials

[85] Achievement of high coercivity in Sm(Fe_0.8Co_0.2)₁₂ anisotropic magnetic thin film by Boron Doping

*Hossein SEPEHRI　Amin¹, Y. Tamazawa², M. Kambayashi², G. Saito², Y.　K. Takahashi¹, D. Ogawa¹, T. Ohkubo¹, S. Hirosawa¹, M. Doi², T. Shima², K. Hono¹ (1. ESICMM-NIMS、2. Tohoku Gakuin University)

Keywords:SmFe₁₂ based compound、Coercivity、Microstructure、thin film

An anisotropic granular microstructure of Sm(Fe_0.8Co_0.2)₁₂ with a sufficiently large µ₀H_c of 1.2 T and a high remanent magnetization of 1.50 T is demonstrated by co-sputtering Sm(Fe,Co)₁₂ with B.