Phase transitions in mixed Jahn-Teller systems with competitive interactions

被引：0
|
作者：
Fishman, A. Ya. [1 ]
Ivanov, M. A. [2 ]
Tkachev, N. K. [3 ]
Shunyaev, K. Yu. [1 ]
Zinigrad, M. I. [4 ]
机构：
[1] Russian Acad Sci, Inst Met, Ural Div, 101 amundsena Str, Ekaterinburg 620016, Russia
[2] Natl Acad Sci Ukraine, GV Kurdyumov Inst Met Phys, UA-03680 Kiev, Ukraine
[3] Russian Acad Sci, Inst High Temp Electrochem, Ekaterinburg 620041, Russia
[4] Coll Judea & Samaria, IL-44837 Ariel, Israel
来源：
DIFFUSION IN SOLIDS AND LIQUIDS: MASS DIFFUSION | 2006年 / 258-260卷
基金：
俄罗斯基础研究基金会;
关键词：
mixing of Jahn-Teller systems; structural phase transitions; immiscibility; nonequivalent; sublattices; phase diagrams;
D O I：
10.4028/www.scientific.net/DDF.258-260.130
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Phase diagrams of mixed crystal systems exhibiting the cooperative Jahn-Teller effect are investigated. The competition of Jahn-Teller interaction with a) the preference energy of cation distribution over nonequivalent sublattices or b) stabilization energy of 3d-ion valence configuration is considered. The developed model enables to explain the nature of equilibrium and metastable states, the variety of phase diagrams and its special features in crystals with the competing interactions.
引用
收藏
页码：130 / +
页数：2
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