Abstract
Mössbauer spectroscopy is used to study the state of iron atoms in samples with a composition of CuCr1−x Fe x S2 (x = 0.01–0.30). It is shown that at x ≤ 0.02 samples are solid solutions in which iron atoms have an oxidation number of 3+ and replace chromium atoms in octahedral sites. When the iron concentration increases, the second phase — chalcopyrite CuFeS2 — forms along with the solid solution. The relative iron concentration in this phase increases from 11% at x = 0.03 to 52% at x = 0.30.
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Original Russian Text Copyright © 2009 by V. A. Varnek, V. V. Sokolov, I. Yu. Filatova, and S. A. Petrov
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Translated from Zhurnal Strukturnoi Khimii, Vol. 50, No. 2, pp. 365–368, March–April, 2009.
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Varnek, V.A., Sokolov, V.V., Filatova, I.Y. et al. Mössbauer spectra of iron doped CuCrS2 . J Struct Chem 50, 351–355 (2009). https://doi.org/10.1007/s10947-009-0049-4
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DOI: https://doi.org/10.1007/s10947-009-0049-4