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Вид документа : Статья из журнала Шифр издания :
Автор(ы) : Flerov I. N., Gorev M. V.
Заглавие : Entropy and the mechanism of phase transitions in elpasolites
Место публикации : Phys. Solid State: AMER INST PHYSICS, 2001. - Vol. 43, Is. 1. - P127-136. - ISSN 1063-7834, DOI 10.1134/1.1340198 Примечания : Cited References: 33
Предметные рубрики: ORDERED PEROVSKITE PB2MGTEO6 ELASTIC NEUTRON-DIFFRACTION THERMODYNAMIC PROPERTIES CUBIC PEROVSKITES CRYSTAL-STRUCTURE HIGH-RESOLUTION PB2MGWO6 CSPBCL3 Аннотация: The phase transitions in series of crystals with the general formulas A(2)BB'X-6 (X = F, Cl, Br, or CN) and Pb2BB'O-6 that belong to the elpasolite family (space group Fm(3) over bar m) are analyzed. The influence of the size and the shape of cations and anions on the entropy and the mechanism of structural distortions is discussed. (C) 2001 MAIK "Nauka/Interperiodica".
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