EXPLANATION OF THE ORIGIN OF ELECTRONS IN THE UNINTENTIONALLY DOPED INAS/ALSB SYSTEM

被引:10
作者
SHEN, J [1 ]
GORONKIN, H [1 ]
DOW, JD [1 ]
REN, SY [1 ]
机构
[1] ARIZONA STATE UNIV,DEPT PHYS & ASTRON,TEMPE,AZ 85287
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 1995年 / 13卷 / 04期
关键词
D O I
10.1116/1.587885
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Theoretical studies are summarized which show that (i) anion-site antisite defects Al-Sb in AlSb barriers and (ii) interfacial native defects such as As-Al at AlAs-like interfaces are the origin of electrons in nominally undoped InAs quantum wells of AlSb/InAs heterojunctions. Tamm interface states, while present at the InSb-like interfaces, lie at too low energy to account for the observed carrier densities. (C) 1995 American Vacuum Society.
引用
收藏
页码:1736 / 1739
页数:4
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