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Mössbauer study of the permanent magnetic material (Nd1−xYx)2Fe14B

Authors:	S. Dai A. H. Morrish X. Z. Zhou B. P. Hu S. G. Zhang

Affiliation:	(1) Department of Physics, University of Manitoba, R3T 2N2 Winnipeg, MB, Canada;(2) Present address: Institute of Physics, Academica Sinica, Beijing, China;(3) Present address: Southwest Institute of Applied Magnetics, Mianyang, Sichuan, China

Abstract:	Samples of (Nd_1?xY_x)₂Fe₁₄B, 0≦x≦0.80, with good phase homogeneity have been made by heating under vacuum for 300 hours. The⁵⁷Fe Mössbauer parameters for all six different crystallographic sites have been determined at room temperature. Generally, the influence of the yttrium ions is greatest for those iron sites nearest the Nd-Y planes. The yttrium appears to be randomly distributed over the neodymium 4f and 4g sites.

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