Structuring of the LaxCayFz ordered solid solution with a trigonal LaF3-based lattice

The mechanisms of La x Ca y F z crystal ordering are revealed. It is established that the space group , inherent to LaF 3 changes to . due to the specificity of ordering. Two groups of twins are determined. The first of them leads to complete merohedry, and the second, to complete and reticular mero...

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Bibliographic Details
Published in:Surface investigation, x-ray, synchrotron and neutron techniques x-ray, synchrotron and neutron techniques, 2015-09, Vol.9 (5), p.961-967
Main Authors: Maksimov, S. K., Maksimov, K. S.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Surfaces and Interfaces
Thin Films
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Summary:The mechanisms of La x Ca y F z crystal ordering are revealed. It is established that the space group , inherent to LaF 3 changes to . due to the specificity of ordering. Two groups of twins are determined. The first of them leads to complete merohedry, and the second, to complete and reticular merohedries. It is shown that the features of La x Ca y F z ordering and structuring provide a unique possibility for studying the merohedral laws when twins coexist with antiphase boundaries.
ISSN:1027-4510
1819-7094
DOI:10.1134/S1027451015050092