Properties of lattice matched quaternary InAlGaAs on InP substrate grown by gas source MBE
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State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences

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    Abstract:

    Properties of quaternary InAlGaAs alloys prepared by gas source MBE growth have been investigated with high resolution X-ray diffraction rocking curves, photoluminescence and Hall measurements. X-ray rocking curves show that all the samples are well matched to InP substrate according to calibration data. The photoluminescence and Hall measurement show that the PL intensity, electron concentration and mobility decrease distinctly as Al composition increases. The group III compositions are determined from both photoluminescence and x-ray diffraction measurements, and agreed well with the designed values. The relationship between the designed Al compositions and measured values provides us a practical way for the precise composition control.

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WANG Kai, GU Yi, FANG Xiang, ZHOU Li, LI Cheng, LI Hao-Si-Bai-Yin, ZHANG Yong-Gang. Properties of lattice matched quaternary InAlGaAs on InP substrate grown by gas source MBE[J]. Journal of Infrared and Millimeter Waves,2012,31(5):385~388

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History
  • Received:April 26,2011
  • Revised:June 14,2011
  • Adopted:July 04,2011
  • Online: October 31,2012
  • Published:
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