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Effect of Growth Conditions on Optical Response of GaAs Grown at Low Substrate Temperature by MBE

  • W. J. Schaff (a1), S. D. Offsey (a1), X. J. Song (a1), L. F. Eastman (a1), T. B. Norris (a2), W. J. Sha (a2) and G. A. Mourou (a2)...

Abstract

The effect of growth conditions on the properties of GaAs grown by molecular beam epitaxy at low substrate temperatures has been studied. It has been found that the response time to 100 fsec 830nm light pulses is a function of substrate temperature and arsenic flux. The reason for variation of optical response with growth conditions is related to the nature of the incorporation of excess arsenic. A recent model proposed by Warren and others is invoked to explain the change in optical response with growth conditions. Further substantiation of this model comes from experiments on the annealing of low substrate temperature GaAs which has been doped with silicon.

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Effect of Growth Conditions on Optical Response of GaAs Grown at Low Substrate Temperature by MBE

  • W. J. Schaff (a1), S. D. Offsey (a1), X. J. Song (a1), L. F. Eastman (a1), T. B. Norris (a2), W. J. Sha (a2) and G. A. Mourou (a2)...

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