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Band gap tunability of Type II Antimonide-based superlattices

โœ Scribed by Manijeh Razeghi; Binh-Minh Nguyen


Publisher
Elsevier
Year
2010
Tongue
English
Weight
416 KB
Volume
3
Category
Article
ISSN
1875-3892

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Exchange-induced band hybridization in I
โœ W. Xu; Z. Zeng; A.R. Wright; C. Zhang; J. Zhang; T.C. Lu ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 188 KB

We demonstrate theoretically that the many-body effect such as exchange interaction can cause the hybridization of the electron and hole dispersion relations in InAs/GaSb based type II and broken-gap quantum well (QW) systems. As a result, a terahertz mini-gap at the anti-crossing points of the cond