| 简介 |
PROBLEM TO BE SOLVED : To provide a magnetic material whose inflection point of a demagnetization curve is eliminated without reducing coercive force by using a material that contains no rare earth element.
SOLUTION : The magnetic material includes : Fe- based particles 3 containing α-Fe or α-(Fe, Co); a ε phase 2 containing ε-Fe2O3 or ε-(Fe, Co)2O3; and aluminum-containing silicon oxide 1. The Fe- based particles 3 have an interface that is in contact with the ε phase 2, aluminum-containing silicon oxide 1, and such.
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