Electron valence charge densities in Hg1-xCdxTe mixed crystals

被引：41

作者：

Bouarissa, N ^{[1
]}

机构：

[1] Univ Setif, Dept Phys, Setif 19000, Algeria

来源：

INFRARED PHYSICS & TECHNOLOGY | 1998年 / 39卷 / 05期

关键词：

Hg1-xCdxTe mixed crystal; valence charge density; bonding;

D O I：

10.1016/S1350-4495(98)00012-7

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

On the basis of local pseudopotential and virtual crystal approximation methods, the electronic valence charge densities in Hg1-xCdxTe alloys for the zincblende phase are computed for the two special k points of the scheme of Chadi and Cohen [D.J. Chadi, M.L. Cohen, Phys. Rev. B 8 (1973) 5747]. It is found that when going from HgTe (semimetal) to CdTe (semiconductor), the bond charges tend to move gradually away from the anion and cation sites towards the bond center sites. The results are used to analyze the bonding properties of the crystals studied. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：265 / 270

页数：6

共 5 条

[1] POSITRON-ANNIHILATION IN NARROW-GAP SEMICONDUCTORS
BOUARISSA, N
WEST, RN
AOURAG, H
[J]. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 1995, 188 (02): : 723 - 734
[2] SPECIAL POINTS IN BRILLOUIN ZONE
CHADI, DJ
COHEN, ML
[J]. PHYSICAL REVIEW B, 1973, 8 (12): : 5747 - 5753
[3] ELECTRON CHARGE-DENSITIES AT CONDUCTION-BAND EDGES OF SEMICONDUCTORS
RICHARDSON, SL
COHEN, ML
LOUIE, SG
CHELIKOWSKY, JR
[J]. PHYSICAL REVIEW B, 1986, 33 (02): : 1177 - 1182
[4] PSEUDOPOTENTIAL CALCULATIONS OF ELECTRONIC CHARGE DENSITIES IN 7 SEMICONDUCTORS
WALTER, JP
COHEN, ML
[J]. PHYSICAL REVIEW B, 1971, 4 (06): : 1877 - &
[5] ELECTRONIC CHARGE DENSITIES IN SEMICONDUCTORS
WALTER, JP
COHEN, ML
[J]. PHYSICAL REVIEW LETTERS, 1971, 26 (01) : 17 - &

← 1 →