| 简介 |
PROBLEM TO BE SOLVED : To provide a magnetic material using a TbCu7 type crystal phase, having high residual magnetic flux density as the main phase. SOLUTION : This magnetic material has a TbCu7 type crystal phase structure as a main phase which is expressed by the general formula R1x R 2x Bz Au M100-x-y-z-u , where, R1 is at least one kind of rare earth element (containing Y), R2 is at least one kind of element selected from Zr, Hf, and Sc, A is at least one kind of element selected from H, N, C and P, M is at least one element of Fe and Co, and (x), (y), (z), and (u) is atom % respectively 2<=X, 4<=x+y<=20, 0.001<=z<=10, and 0<=u<=20 and a main phase has TbCu7 type crystal structure. |
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