Structural transformations in the In5Bi3 compound under high pressure

被引：10

作者：

Degtyareva, O ^{[1
]}

Degtyareva, VF

机构：

[1] Univ Edinburgh, Dept Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland

[2] Inst Solid State Phys, Chernogolovka 142432, Moscow District, Russia

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2002年 / 14卷 / 03期

关键词：

D O I：

10.1088/0953-8984/14/3/310

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The compound In5Bi3 decomposes at pressure 15 GPa and temperature 150degreesC into two phases of different compositions. Each phase represents a tetragonal distortion of the body-centred cubic phase, one with axial ratio c/a > 1 and the other with c/a < 1. These phases follow the Bain path-a tetragonal distortion of the cubic structure on the way from face-centred cubic to body-centred cubic, observed for tetragonal phases of In and Sn alloys as a function of composition (or electron concentration) at ambient and high pressure. Ambient-pressure stoichiometic compounds in the In-Bi alloy system are replaced under pressure by a sequence of metallic random phases with the structure determined by the electron concentration.

引用

页码：407 / 414

页数：8

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