Abstract
The influence of variable valence on NSR spectra of 53Cr nuclei in ferromagnetic CuCr2−x SbxS4 (x = 0, 0.02, 0.07) at T = 77 K is considered. For quadrupole nuclei in locally anisotropic positions, the effects of variable valence result in averaging of not only the resonance frequency but also of the quadrupole and magnetic anisotropy constants. The significant difference between the experimental and calculated values of these constants indicates the important role of the intrinsic electronic contribution to the anisotropy of hyperfine fields of compounds containing Cr4+ ions. Additional lines caused by intrinsic and induced defects in the structure are observed in the spectra of doped and undoped compounds.
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Translated from Fizika Tverdogo Tela, Vol. 47, No. 3, 2005, pp. 487–492.
Original Russian Text Copyright © 2005 by Berzhanski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \), Gorbovanov, Polulyakh.
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Berzhanskii, V.N., Gorbovanov, A.I. & Polulyakh, S.N. Nuclear spin resonance of 53Cr in ferromagnetic CuCr2S4: Sb. Phys. Solid State 47, 502–507 (2005). https://doi.org/10.1134/1.1884712
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DOI: https://doi.org/10.1134/1.1884712