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Transverse Stark Effect of Electrons in GaAs Semiconducting Quantum Boxes

Transverse Stark Effect of Electrons in GaAs Semiconducting Quantum Boxes

Year:    2011

Author:    Sheng Wang, Yun Kang, Yu Han

Journal of Atomic and Molecular Sciences, Vol. 2 (2011), Iss. 2 : pp. 162–169

Abstract

The transverse Stark shift of the electronic energy levels in GaAs semiconducting quantum box is investigated by the use of variational solutions to the effective-mass approximation. It is found an interesting phenomenon that the largest Stark shift is obtained for the electric field directed along the diagonal in cross section of a quantum box, while for a rectangular one, the shift reaches peak value for the low field directed along a side of cross section and for the high field along the diagonal. Likewise, the conclusion is shown that the transverse Stark shift in a quantum box depends highly on the ratio of cross sectional sides while is irrelevant to its height. The large Stark shift of the electron and hole trapped in a quantum box leads to an obvious reduction of the interband recombination and wide irradiance spectrum.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/jams.082510.092010a

Journal of Atomic and Molecular Sciences, Vol. 2 (2011), Iss. 2 : pp. 162–169

Published online:    2011-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    8

Keywords:    Stark effect quantum boxes electric field variational method quantum sizes.

Author Details

Sheng Wang Email

Yun Kang Email

Yu Han Email