Atomic origin of magnetocrystalline anisotropy in Nd2Fe14B -: art. no. 217207

被引:54
作者
Haskel, D
Lang, JC
Islam, Z
Cady, A
Srajer, G
van Veenendaal, M
Canfield, PC
机构
[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
[2] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA
[3] Iowa State Univ, Ames Lab, Ames, IA 50011 USA
[4] Iowa State Univ, Dept Phys, Ames, IA 50011 USA
关键词
D O I
10.1103/PhysRevLett.95.217207
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The magnetic moment reversal at each of the two inequivalent Nd sites in a single crystal of ferromagnetic Nd2Fe14B is probed by dichroic resonant diffraction of circularly polarized x rays. The results, supported by theory, show that the c-axis intrinsic magnetic stability of this superior permanent magnetic material arises predominately at one of the Nd sites (g). The other site (f) undermines magnetic stability by favoring a magnetic moment orientation in the basal plane.
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页数:4
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