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57Fe Mössbauer spectroscopy study of the magnetic properties of R2Fe14B compounds (R=Ce, Nd, Gd, Y) (1985)

van Noort, H. M. ; de Mooij, D. B. ; Buschow, K. H. J.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 57 (1985), S. 5414-5419

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: 57Fe Mössbauer spectra were taken at 25 and 293 K on four representative specimens of compounds of the series R2Fe14B (R=Ce, Nd, Gd, and Y). In all these cases it proved possible to analyze the spectra in terms of six subspectra associated with the six crystallographically nonequivalent Fe sites in the tetragonal R2Fe14B unit cell. Assuming a linear relation between the observed hyperfine fields and magnetic moments it follows from our analysis that, although the average Fe moment in R2Fe14B is equal to that of α-Fe, there are Fe sites that give rise to moments much higher and much lower than the average value of 2.2 μB/Fe.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.334865

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