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- Title
The complex oxides with octahedral structures: Existence areas and phase transitions.
- Authors
Geguzina, G. A.
- Abstract
The experimental and calculated data on the existence of complex oxides in solid state with the octahedral structures of four families, namely perovskites, Bi-containing layered perovskite-like ones, tetragonal tungsten bronzes and pyrochlores, and about their phase transitions are systematized and summarized on the basis of the quasi-elastic or geometric models of these structures. It has been established that similar existence areas and similar correlations between the interatomic bond strains in their structures, on the one hand, and the temperatures of their ferroelectric or antiferroelectric phase transitions, on the other hand, are observed for all of them, despite the differences in the compositions and structures of these oxides, but taking into account their similar parameters.
- Subjects
PHASE transitions; TUNGSTEN bronze; OCTAHEDRAL molecules; INTERATOMIC distances; QUASI-elastic scattering; PYROCHLORE
- Publication
Journal of Advanced Dielectrics, 2020, Vol 10, Issue 1/2, pN.PAG
- ISSN
2010-135X
- Publication type
Article
- DOI
10.1142/S2010135X20600139