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.

引用

页码：713 / 716

页数：4

共 27 条

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