| 简介 |
A magnetic material is including magnetic particles including a rare earth element, wherein a fluorine compound including an alkaline earth element or a rare earth element is formed on a surface of the magnetic particles, an oxygen concentration of the fluorine compound is higher than an oxygen concentration of the magnetic particle and the fluorine compound includes at least one type of element selected from the group consisting of the Li, Mg, Ca, Sc, V, Cr, Mn, Fe, Co, Ni, Zn, Al, Ga, Sr, Y, Zr, Nb, Ag, In, Sn, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Pb, and Bi elements. |
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