STRUCTURAL MODELING OF LOW-SYMMETRY PHASES OF SPINELS .2. PHASES WITH 1-3 OCTAHEDRAL ORDER

被引：18
|
作者：
TALANOV, VM
机构：
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1990年 / 162卷 / 02期
关键词：
D O I：
10.1002/pssb.2221620203
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
On the basis of the phenomenological theory of phase transitions the structural mechanism of ordering of octahedral cations of the type 1:3 in spinels is studied. With the help of the basic functions of the active six-dimensional irreducible representations of the group Fd3m the structure of the ordered phase is deduced theoretically from the non-ordered phase. The qualitative pictures of possible displacements of atoms near the temperature of the phase transition are given. The existence of isostructural modifications of the ordered structure is predicted.
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页码：339 / 346
页数：8
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