Patent ID: 7815752

Claim:
A magnetic alloy having a crystal structure substantially composed of a single phase of NaZn 13 structure and represented by the composition formula (La 1−x R x ) a (A 1−y TM y ) b H c N d , wherein “R” represents at least one or more elements selected from rare earth elements including Y; “A” represents Si, or Si and at least one or more elements selected from the group consisting of Al, Ga, Ge and Sn; “TM” represents Fe, or Fe and at least one or more elements selected from the group consisting of Sc, Ti, V, Cr, Mn, Co, Ni, Cu and Zn; and “x”, “y”, “a”, “b”, “c” and “d” satisfy, in atomic percent, the relations: 0≦x≦0.2, 0.75≦y≦0.92, 5.5≦a≦7.5, 73≦b≦85, 1.3≦c≦14.57 and 0.08≦d≦3.0; with unavoidable impurities being included.