Lattice defects in undoped CdAs2 monocrystals

被引：0
|
作者：
Marenkin, SF
Morozova, VA
Koshelev, OG
Biskupski, G
机构：
[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 117907, Russia
[2] Moscow State Univ, Moscow 119832, Russia
[3] LSH Univ Sci & Technol Lille 1, F-59655 Villeneuve Dascq, France
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1998年 / 210卷 / 02期
关键词：
D O I：
10.1002/(SICI)1521-3951(199812)210:2<569::AID-PSSB569>3.0.CO;2-Y
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The spectra of optical absorption and photoconductivity of perfect CdAs2 single crystals were investigated near the intrinsic edge and in the extrinsic absorption region. The existence of three donor levels created by structural defects is established. The mechanism of defect formation is suggested: the interstitial Cd-i atom in different charge states created the epsilon(1) < 0.02 eV and epsilon(3) congruent to 0.42 eV levels, the As-v vacancies created the epsilon(2) congruent to 0.26 eV level.
引用
收藏
页码：569 / 573
页数：5
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