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Growth of high quality InSb thin films on GaAs substrates by molecular beam epitaxy method with AlInSb/GaSb as compound buffer layers*

2021-04-01

 

Author(s): Li, Y (Li, Yong); Li, XM (Li, Xiao-Ming); Hao, RT (Hao, Rui-Ting); Guo, J (Guo, Jie); Zhuang, Y (Zhuang, Yu); Cui, SN (Cui, Su-Ning); Wei, GS (Wei, Guo-Shuai); Ma, XL (Ma, Xiao-Le); Wang, GW (Wang, Guo-Wei); Xu, YQ (Xu, Ying-Qiang); Niu, ZC (Niu, Zhi-Chuan); Wang, Y (Wang, Yao)

Source: CHINESE PHYSICS B Volume: 30 Issue: 2 Article Number: 028504 DOI: 10.1088/1674-1056/abc152 Published: MAR 2021

Abstract: A series of InSb thin films were grown on GaAs substrates by molecular beam epitaxy (MBE). GaSb/AlInSb is used as a compound buffer layer to release the strain caused by the lattice mismatch between the substrate and the epitaxial layer, so as to reduce the system defects. At the same time, the influence of different interface structures of AlInSb on the surface morphology of buffer layer is explored. The propagation mechanism of defects with the growth of buffer layer is compared and analyzed. The relationship between the quality of InSb thin films and the structure of buffer layer is summarized. Finally, the growth of high quality InSb thin films is realized.

Accession Number: WOS:000631362300001

ISSN: 1674-1056

eISSN: 1741-4199

Full Text: https://iopscience.iop.org/article/10.1088/1674-1056/abc152



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