Mössbauer spectroscopy and spin echos nuclear magnetic resonance were used in order to study the hyperfine fields (HF) at the six Fe sites and the B site in Nd2Fe14B. At 4.2 K hyperfine fields and Fe magnetic moments for the different sites in the range 307–372 kOe and respectively 2.05–2.48 μB have been found. The transferred HF of 31.25 kOe at the B site has a strong local character, being determined by the six next-nearest Fe atoms in the corner of the trigonal prism in which B atoms are located.
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Rosenberg et al. (1985) studied this question.
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