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PROBLEM TO BE SOLVED : To provide a method of producing rare-earth-iron-nitrogen-based magnetic particles having a high coercive force and an excellent squareness ratio efficiently.SOLUTION : A method of producing magnetic particles represented by RFeNM(in the formula, R represents at least one kind of rear-earth elements including Y, M represents a metal element, and 3≤v≤30, 5≤w≤15, 0
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