THE INFLUENCE OF LONG-RANGE ELASTIC INTERACTIONS ON THE TETRAGONAL-TO-ORTHORHOMBIC PHASE-TRANSITION IN YBA2CU3OX

被引：1
作者：
WIPF, H
机构：
[1] Institut für Festkörperphysik, Technische Hochschule Darmstadt
来源：
SOLID STATE COMMUNICATIONS | 1994年 / 91卷 / 09期
关键词：
HIGH-T(C) SUPERCONDUCTORS; CRYSTAL STRUCTURE AND SYMMETRY; POINT DEFECTS; ORDER-DISORDER EFFECTS; PHASE TRANSITIONS;
D O I：
10.1016/0038-1098(94)00442-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The long-range elastic interaction between the O atoms in the Cu(1) atomic plane is shown to contribute to the tetragonal-to-orthorhombic phase transition in YBa2Cu3Ox. A quantitative calculation yields a contribution of approximately 10% to the total interaction energy that drives the phase transition. It is further suggested that the consideration of the long-range elastic interaction is of importance for a theoretical modeling of the O ordering effects in the various orthorhombic phases.
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收藏
页码：713 / 716
页数：4
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