Effective-mass theory for coupled quantum dots grown on (11N)-oriented substrates

doi:10.1088/1009-1963/16/1/001

Abstract

Abstract The electronic structures of coupled quantum dots grown on (11N)-oriented substrates are studied in the framework of effective-mass envelope-function theory. The results show that the all-hole subbands have the smallest widths and the optical properties are best for the (113), (114), and (115) growth directions. Our theoretical results agree with the available experimental data. Our calculated results are useful for the application of coupled quantum dots in photoelectric devices.

Keywords: coupled quantum dots effective-mass theory electronic structures

Received: 03 September 2006
Revised: 08 September 2006
Accepted manuscript online:

PACS:	73.21.La	(Quantum dots)
	71.18.+y	(Fermi surface: calculations and measurements; effective mass, g factor)

Fund: Project supported inpart by the National Natural Science Foundationof China (Grant Nos 60521001 and 60325416).

Cite this article:

Li Shu-Shen(李树深) and Xia Jian-Bai(夏建白） Effective-mass theory for coupled quantum dots grown on (11N)-oriented substrates 2007 Chinese Physics 16 1

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Effective-mass theory for coupled quantum dots grown on (11N)-oriented substrates

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