Simple Metal and Binary Alloy Phases Based on the fcc Structure: Electronic Origin of Distortions, Superlattices and Vacancies

被引：9

作者：

Degtyareva, Valentina F. ^{[1
]}

Afonikova, Nataliya S. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia

来源：

CRYSTALS | 2017年 / 7卷 / 02期

关键词：

crystal structure; Hume-Rothery phases; structure stability; HIGH-PRESSURE; BRILLOUIN-ZONE; COMPLEX STRUCTURES; LONG-PERIOD; TRANSITIONS; STABILITY; SYSTEM; IODINE;

D O I：

10.3390/cryst7020034

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Crystal structures of simple metals and binary alloy phases based on the face-centered cubic (fcc) structure are analyzed within the model of Fermi sphere-Brillouin zone interactions to understand the stability of the original cubic structure and derivative structures with distortions, superlattices and vacancies. Examination of the Brillouin-Jones configuration in relation to the nearly-free electron Fermi sphere for several representative phases reveals significance of the electron energy contribution to the phase stability. Representation of complex structures in the reciprocal space clarifies their relationship to the basic cubic cell.

引用

页数：13

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