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Electronic Structure of InAsxP1-x/InP Strained Quantum Wires |
HE Guo-min;LI Kai-hang;WANG Ren-zhi;ZHENG Yong-mei |
Department of Physics, Xiamen University, Xiamen 361005 |
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Cite this article: |
HE Guo-min, LI Kai-hang, WANG Ren-zhi et al 1998 Chin. Phys. Lett. 15 594-596 |
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Abstract The electronic structure of InAs0.25P0.75/InP strained quantum wires grown on InP(001) oriented substrates is studied within the framework of effective-mass envelope-function theory. At the Γ point, the electron and valence subband energy levels with and without spin-split-off band, and the absorption spectra are calculated. The effects of strain and spin-split-off band on valence energy levels are presented. The results show that the uppermost valence subband is almost unaffected by the strain induced coupling between the heavy- and light-hole bands and the spin-split-off bands while the other subbands are more markedly affected in the InAs0.25P0.75/InP strained quantum wires.
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Keywords:
71.55.Eq
71.70.-d
73.20.Dx
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Published: 01 August 1998
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