Electronic structure of ZnS:Co and ZnSe:Co crystals

被引：5
|
作者：
Galakhov, VR
Surkova, TP
Giriat, W
Bratkowski, S
Neumann, M
机构：
[1] INST VENEZOLANO INVEST CIENT, CTR FIS, CARACAS 1010A, VENEZUELA
[2] UNIV OSNABRUCK, D-49069 OSNABRUCK, GERMANY
来源：
PHYSICS OF THE SOLID STATE | 1997年 / 39卷 / 11期
关键词：
D O I：
10.1134/1.1130167
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The x-ray photoelectron spectra of the valence bands and inner Co 2p levels of solid solutions of the wide-gap semiconductors ZnS, ZnS:Co, ZnSe, and ZnSe:Co are investigated. The x-ray photoelectron Co 2p spectrum of the ZnS:Co crystal indicates a 3d configuration of the ground state of cobalt and strong covalence of the cobalt-sulfur bond, but somewhat weaker than for CoS. It is established that the edge of the valence band recedes by 0.7+/-0.1 eV in transition from ZnSe to ZnS. (C) 1997 Americans institute of Physics.
引用
收藏
页码：1762 / 1764
页数：3
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