GEOMETRIC DESCRIPTIONS OF DISTORTED STRUCTURES OF ABX3 TYPE PEROVSKITE AND APPLICATION IN STRUCTURAL PREDICTION
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dc.contributor.author | Qin S. | |
dc.contributor.author | Wang R. | |
dc.date.accessioned | 2022-07-20T06:12:23Z | |
dc.date.available | 2022-07-20T06:12:23Z | |
dc.date.issued | 2004 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=41884569 | |
dc.identifier.citation | Acta Geologica Sinica (English Edition), 2004, 78, 3, 345-351 | |
dc.identifier.issn | 1000-9515 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/38335 | |
dc.description.abstract | Perovskite-type oxides are important in material sciences, physics and earth sciences. The ideal perovskite structure has an ABX3, stoichiometry and belongs to the cubic space group Pm3m. However, there are several structural deviations from the ideal cubic structure, such as tetragonal 14/mcm, orthorhombic Pbnm and so on. Geometrically, the distorted structures could be described with several models, for example the tolerance factor, octahedral tilting and global parameterization method (GPM). This paper reviews the geometric parameters of these models and discusses the relationship between the ideal and distorted structures. The structure of perovskite YbNiO3 and the structural deviations of MgSiO3 and ScAlO3 under increasing hydrostatic pressures are theoretically predicted and compared with the available experimental data. | |
dc.title | GEOMETRIC DESCRIPTIONS OF DISTORTED STRUCTURES OF ABX3 TYPE PEROVSKITE AND APPLICATION IN STRUCTURAL PREDICTION | |
dc.type | Статья |
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