Optical properties of MBE GaAs films on SrTiO3 (100) substrates

P. P. Chen; Wei Lu; Y. D. Chen; Z.L. Miao; Z.F. Li; Xue Chu Shen; Q. X. Zhao

doi:10.1117/12.408348

29 November 2000 Optical properties of MBE GaAs films on SrTiO₃ (100) substrates

P. P. Chen, Wei Lu, Y. D. Chen, Z.L. Miao, Z.F. Li, Xue Chu Shen, Q. X. Zhao

Proceedings Volume 4086, Fourth International Conference on Thin Film Physics and Applications; (2000) https://doi.org/10.1117/12.408348
Event: 4th International Conference on Thin Film Physics and Applications, 2000, Shanghai, China

Abstract

This paper reports the molecular beam epitaxy growth of the GaAs films on the SrTiO₃ (100) substrates. The microstructures of the films are characterized by XRD and SEM. SEM results show the different shapes of islands at different thickness. Micro-Raman studies show that the crystal lattice vibrations of the GaAs films are similar to that of GaAs bulk material. Using the photo modulated reflectance spectroscopy and photoluminescence measurement techniques, optical transitions close to GaAs band gap energy are observed, and large blue shifts are observed.

Citation Download Citation

P. P. Chen, Wei Lu, Y. D. Chen, Z.L. Miao, Z.F. Li, Xue Chu Shen, and Q. X. Zhao "Optical properties of MBE GaAs films on SrTiO₃ (100) substrates", Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); https://doi.org/10.1117/12.408348

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