EFFECTIVE CHARGES IN II-VI SEMICONDUCTORS

被引：10
|
作者：
SOHN, SH [1 ]
HYUN, DG [1 ]
NOMA, M [1 ]
HOSOMI, S [1 ]
HAMAKAWA, Y [1 ]
机构：
[1] KYUNGPOOK UNIV,DEPT PHYS,TAEGU 702701,SOUTH KOREA
来源：
JOURNAL OF CRYSTAL GROWTH | 1992年 / 117卷 / 1-4期
关键词：
D O I：
10.1016/0022-0248(92)90882-J
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The effective charges accounting for the partially ionic binding character of II-VI semiconductors are calculated in a simple theory based on the cohesive energy per unit cell, which is expressed as a sum of the Madelung energy and the Morse potential. From the relation of cohesive energy and the bulk modulus, the effective charges for six zincblende, four wurtzite and ten rock-salt cyrstals of II(a)-VI(b) and II(b)-VI(b) semiconductors are estimated. The estimated results are in reasonable agreement with some experimental data.
引用
收藏
页码：907 / 912
页数：6
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