Valence Offsets of Three Series of Alloy Heterojunctions

Chin. Phys. Lett.

1997, Vol. 14

Issue (10): 775-777 DOI:

Original Articles

Valence Offsets of Three Series of Alloy Heterojunctions

ZHENG Jin-cheng;WANG Ren-zhi;ZHENG Yong-mei;CAI Shu-hui

Department of Physics, Xiamen University, Xiamen 361005

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ZHENG Jin-cheng, WANG Ren-zhi, ZHENG Yong-mei et al 1997 Chin. Phys. Lett. 14 775-777

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Abstract Electron structure of three series of alloy heterojunctions (GaAs)_x(Ge₂)_1-x/Ge,(AlAs)_x (Ge₂)_1-x/Ge and Al_xG_1-xAs/Ge are calculated by linear muffin-tin orbital method with atomic-sphere approximation using the average-bond-energy theory in conjunction with a cluster expansion method. The results indicate the variations of ΔE_v(x) at heterojunctions (GeAs)_x(Ge₂)_1-x/Ge and (AlAs)_x (Ge₂)_1-x/Ge are nonlinear, which are very different from that of Al_xGa_1-xAs/Ge.

Keywords: 71.25.Tn

Published: 01 October 1997

PACS:

71.25.Tn

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I10/0775

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	CAI Shu-hui

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