Experimental evidence for the transition of different indirect tunneling processes inp-HgCdTe
作者:
He Huang,
Feiming Tong,
Dingyuan Tang,
期刊:
Applied Physics Letters
(AIP Available online 1998)
卷期:
Volume 72,
issue 11
页码: 1377-1379
ISSN:0003-6951
年代: 1998
DOI:10.1063/1.121054
出版商: AIP
数据来源: AIP
摘要:
We present an experimental observation of the transition of different indirect tunnelling processes inp-type HgCdTe. The results demonstrate that the indirect tunnel currents via Shockley–Read–Hall traps exhibit a transition from thermally assisted tunneling to two-step indirect tunneling over a temperature range of 25–200 K, which enables independent measurements to be made on the two processes. A 55 meV trap level which contributes strongly to the indirect tunneling mechanisms was estimated by measuring the activation energy. ©1998 American Institute of Physics.
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