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Proceedings Paper

Separate electron-hole confinement in composite InAsyP1-y/GaxIn1-xAs quantum wells
Author(s): A. Yu. Silov; Balakrishnan Nair Aneeshkumar; M. R. Leys; N. S. Averkiev; P. C. M. Christianen; Joachim H. Wolter
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Paper Abstract

Composite double qunatum wells made from materials with a type-II band line-up have been grown to realize separate confinement in real space for electrons and holes. We have observed a substantial blue shift of the lowest energy transition in such composite double quantum wells. The photocurrent measurements demonstrate a linear Stark shift due to the separate confinement in real space for electrons and holes. The charge separation is up to 45 Å in the strain balanced InAs0.42P0.58/Ga0.67In0.33As samples. The experimental results agree very well with calculations in the framework of Bir-Pikus strain Hamiltonian.

Paper Details

Date Published: 11 June 2003
PDF: 3 pages
Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); doi: 10.1117/12.513817
Show Author Affiliations
A. Yu. Silov, Eindhoven Univ. of Technology (Netherlands)
Balakrishnan Nair Aneeshkumar, Eindhoven Univ. of Technology (Netherlands)
M. R. Leys, Ghent Univ. (Netherlands)
N. S. Averkiev, A.F. Ioffe Physico-Technical Institute (Russia)
P. C. M. Christianen, Univ. of Nijmegen (Netherlands)
Joachim H. Wolter, Eindhoven Univ. of Technology (Netherlands)


Published in SPIE Proceedings Vol. 5023:
10th International Symposium on Nanostructures: Physics and Technology
Zhores I. Alferov; Leo Esaki, Editor(s)

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