ORDER-DISORDER ELEMENTS IN ANTIFERRODISTORTIVE PHASE-TRANSITIONS

被引：7

作者：

RECHAV, B ^{[1
]}

YACOBY, Y ^{[1
]}

STERN, EA ^{[1
]}

REHR, JJ ^{[1
]}

NEWVILLE, M ^{[1
]}

机构：

[1] UNIV WASHINGTON, DEPT PHYS, SEATTLE, WA 98195 USA

来源：

PHYSICA B | 1995年 / 208卷 / 1-4期

关键词：

D O I：

10.1016/0921-4526(94)00850-U

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Detailed analysis of XAFS spectra of the antiferrodistortive crystals K1-xNaxTaO3 show that the local rotation angles of the oxygen octahedra in crystals with x > 0.6 are non-zero and large, hundreds of degrees above the transition temperatures to the cubic phase.

引用

收藏

页码：325 / 326

页数：2

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