Issue 6, 1995
From the journal:

Journal of Materials Chemistry

Investigation of magnetic frustration in A2FeMO6(A [double bond, length as m-dash] Ca, Sr, Ba; M [double bond, length as m-dash] Nb, Ta, Sb) by magnetometry and Mössbauer spectroscopy

Peter D. Battle,   Terence C. Gibb,   Andrew J. Herod,   Sang-Hyun Kim  and  Philippa H. Munns  

Abstract

Perovskite-related compounds in the series A2FeMO6(A [double bond, length as m-dash] Ca, Sr, Ba; M [double bond, length as m-dash] Nb, Ta, Sb) have been prepared using the standard techniques of solid state chemistry and characterized by X-ray powder diffraction, magnetometry and Mössbauer spectroscopy. All but the 6H hexagonal compound Ba2FeSbO6 adopt cubic or pseudo-cubic crystal structures and show a magnetic susceptibility maximum at ca. 25 K. Field cooled and zero-field cooled susceptibility data show a hysteresis below this maximum. The Mössbauer spectra recorded at 4.2 K comprise a single magnetic hyperfine pattern typical of Fe3+, but with a high degree of line broadening. The spectra show a relaxational (nonBrillouin) collapse above 20 K. The data are described in terms of spin-glass behaviour and the factors controlling the magnetic properties are discussed.

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Article information

DOI
https://doi.org/10.1039/JM9950500865
Article type
Paper

J. Mater. Chem., 1995,5, 865-870

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Investigation of magnetic frustration in A2FeMO6(A [double bond, length as m-dash] Ca, Sr, Ba; M [double bond, length as m-dash] Nb, Ta, Sb) by magnetometry and Mössbauer spectroscopy

P. D. Battle, T. C. Gibb, A. J. Herod, S. Kim and P. H. Munns, J. Mater. Chem., 1995, 5, 865 DOI: 10.1039/JM9950500865

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