SHEAR CONSTANTS USING ANGULARLY DEPENDENT BOND ORDER POTENTIALS

被引：26

作者：

ALINAGHIAN, P ^{[1
]}

NISHITANI, SR ^{[1
]}

PETTIFOR, DG ^{[1
]}

机构：

[1] KYOTO UNIV, DEPT MET SCI & TECHNOL, KYOTO 60601, JAPAN

来源：

PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES | 1994年 / 69卷 / 05期

关键词：

D O I：

10.1080/01418639408240157

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Analytic expressions for the shear constants of sp-valent zincblende and f.c.c. structure types are obtained using a first-nearest-neighbour bond order potential. Novel expressions for the tetragonal and trigonal zincblende shear constant C' and C44 are derived. Importantly C' is found to vary as the cube of the bond order. The angular character of the bond order potential is shown to remove the anisotropy constraint of C44/C' = 2 for f.c.c. lattices within a nearest-neighbour model.

引用

页码：889 / 900

页数：12

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