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题名: Confined LO-phonon-assisted magnetotunneling in a parabolic quantum well with double barriers
作者: Gong J;  Liang XX;  Ban SL
发表日期: 2008
摘要: The confined longitudinal-optical phonon-assisted tunneling through a parabolic quantum well with double barriers in a magnetic field perpendicular to the interfaces is studied theoretically based on a dielectric continuum model. The numerical results show that the applied magnetic field sharpens and heightens the phonon-assisted tunneling peaks in agreement with experimental observation. Furthermore, the phonon-assisted magnetotunneling peaks shift towards the higher biases as the magnetic field increases. In contrast to the results for a rectangular quantum well, the ratio of peak to valley of the phonon-assisted tunneling is larger for the wider well case. It also indicates that the phonon-assisted tunneling current peaks can be easily observed for a wider parabolic quantum well. (C) 2008 Published by Elsevier B.V.
KOS主题词: LO phonon
刊名: PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Gong, J ; Liang, XX ; Ban, SL .Confined LO-phonon-assisted magnetotunneling in a parabolic quantum well with double barriers ,PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,2008 ,40(8): 2664-2670
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