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Sub-terahertz photoconduction induced by interpayer transition in an InAs/GaSb-based type II and broken-gap quantum well system

Wei, XF; Xu, Wen; Zeng, Z.


In this paper, we demonstrate theoretically that, when an InAs/GaSb-based type II and broken-gap quantum well is subjected to a light field, conductance can be observed along the growth direction due to charge transfer between electron and hole layers which are spatially separated. A peak profile can be observed in the conductance within sub-terahertz bandwidth. The peak shifts to the lower frequency (red-shift) with increasing temperature and a more broadened peak structure can be observed at...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Journal of Physics: Condensed Matter
DOI: 10.1088/0953-8984/19/2/026216


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