| 简介 |
PROBLEM TO BE SOLVED : To provide a ferrite magnet exhibiting excellent magnet characteristics in a composition region of stoichiometric composition and even in a composition region where BaO or BaO and SrO are slightly richer than in the stoichiometric composition, and to provide its manufacturing method.
SOLUTION : The ferrite magnet comprises a single phase of magneto-plumbite type crystal structure represented by a formula (A1-xRx)O-n[(Fe3+1-yMg2+y)2O3]. In the formula, A is at least one kind being selected from Ba and Sr and including Ba inevitably, R is at least one kind being selected from rare earth elements, x, y and n represent mol ratios, respectively, in the range of 0
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