Neutron powder diffraction studies of Ca2−xSrxCoWO6 double perovskites
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Date
2006-11-15
Authors
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Publisher
Elsevier
Abstract
Neutron powder diffraction data has been used to determine precise structures for four oxides in the series Ca2−xSrxCoWO6 (x=1, 1.5, 1.7, 2). The studies demonstrated that the symmetry increases with Sr content as a consequence of the gradual reduction, and ultimately removal, of the in-phase tilting of the BO6 octahedra. The sample of Sr2CoWO6 was a mixture of monoclinic (P21/n) and tetragonal (I4/m) phases at room temperature but was purely monoclinic at 20 K. Crown Copyright © 2006 Published by Elsevier B.V.
Description
Physical copy held by ANSTO Library at DDC 539.7213/3. Part I
Keywords
Crystal structure, Neutron diffraction, Mathematical models, Minerals, Particle models, Phase transformations, Physical properties, Scattering, Thermodynamic properties, Perovskites
Citation
Zhou, Q., Kennedy, B. J., & Elcombe, M. M. (2006). Neutron powder diffraction studies of Ca2−xSrxCoWO6 double perovskites. Paper presented at the Eighth International Conference on Neutron Scattering (ICNS 2005), "Neutrons for structure and dynamics - a new era", Sydney, Australia, 27 November to 2 December 2005. In Campbell, S. J., Cadogan, J. M., Furusaka, M., Hauser, N., & James, M. (Eds), Physica B: Condensed Matter, 385-386(Part 1), 190-192. doi:10.1016/j.physb.2006.05.272