| 简介 |
A soft magnetic alloy contains Fe as a main component and Si. The soft magnetic alloy is composed of a Fe-based nanocrystal and an amorphous phase. In the soft magnetic alloy, S2 - S1 > 0 is satisfied, where S1 (at%) denotes an average content rate of Si in the Fe-based nanocrystal and S2 (at%) denotes an average content rate of Si in the amorphous phase. In addition, the soft magnetic alloy has a composition formula of ((Fe(1-(α+β))X1αX2β)(1-(a+b+c+d+e+f))MaBbSicPdCreCuf)1-gCg. X1 is one or more selected from the group consisting of Co and Ni, X2 is one or more selected from the group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, O, S and a rare earth element, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Ti, Mo, V and W. In the composition formula, a to g, α and β are in specific ranges. |
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