| 摘要 |
A Y-type hexagonal oxide magnetic material is provided containing at least Fe, Co, and M (where M is at least one of Ba and Sr) as well as O, wherein the relationship of x+3sigma<=4 is satisfied, in which x represents the average grain size (mum) of a sintered compact thereof, and sigma represents the standard deviation of the grain size. When this material is used for a magnetic body of an inductor element, a high Q factor can be maintained in a high frequency range of not less than 200 MHZ.
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