Atomic origin of magnetocrystalline anisotropy in Nd(2)Fe(14)B |
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| Authors: | Haskel D Lang J C Islam Z Cady A Srajer G van Veenendaal M Canfield P C |
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| Institution: | Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA. |
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| Abstract: | The magnetic moment reversal at each of the two inequivalent Nd sites in a single crystal of ferromagnetic Nd(2)Fe(14)B 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 predominantly 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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