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| MOSSBAUER EFFECT STUDY OF Nd_(15)(Fe_1-xCox)_(77)B_8 |
| WANG Huaiyu; ZENG Xunyi(Shanghai Institute of Metallugy; Academia Sinica) (Manuscript received 25 October 1985: revised manuscript 28 May; 1986) |
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Cite this article:
WANG Huaiyu; ZENG Xunyi(Shanghai Institute of Metallugy; Academia Sinica) (Manuscript received 25 October 1985: revised manuscript 28 May; 1986). MOSSBAUER EFFECT STUDY OF Nd_(15)(Fe_1-xCox)_(77)B_8. Acta Metall Sin, 1987, 23(3): 293-295.
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Abstract Hyperfine parameters of Fe sublattices in Nd_2Fe_(14)B have been deduced by refering to the magnetic moment values of Fe for different sites obtained by Givord et al using polarized neutron diffraction technique. By examining the ~(57)Fe Mǒssbauer spectra of Co doped specimen, it is observed that Co atoms, while their amount is small, preferentially enter k_2 site of Fe and thus creat unequivalent sites of their nearest neighbors, e. g. k_1 and j_2 Fesites. And they will enter other Fe-site if more Co was doped.
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Received: 18 March 1987
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