An investigation of FeCoCrO4 by Mossbauer spectroscopy

Gupta, M. P. ; Sinha, A. P. B. ; Date, S. K. (1978) An investigation of FeCoCrO4 by Mossbauer spectroscopy Journal of Physics and Chemistry of Solids, 39 (12). pp. 1321-1327. ISSN 0022-3697

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The spinel FeCoCrO4 has been studied between 4.2 and 538° K. Characteristic Mossbauer spectra of paramagnetic, magnetic and electronic relaxation types have been observed. The Mossbauer parameters for Fe3+ ions situated at tetrahedral (A) and octahedral (B) sites have been calculated. The cation distribution in magnetic and paramagnetic phases is found to be approximately Fe0.53+Co0.52+[Co0.52+Fe0.53+Cr3+]O4. The Neel temperature been determined by the temperature scanning method to be 310± 5° K.

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