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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/39126


    Title: Electromodulation reflectance of low temperature grown GaAs
    Authors: Hsu,TM;Sung,JW;Lee,WC
    Contributors: 物理研究所
    Keywords: BEAM EPITAXIAL GAAS;FERMI-LEVEL;ELECTROREFLECTANCE;SPECTROSCOPY;SPECTRA
    Date: 1997
    Issue Date: 2010-07-08 14:05:44 (UTC+8)
    Publisher: 中央大學
    Abstract: We have studied low temperature grown GaAs by electromodulation reflectance spectroscopy for growth temperatures between 200 and 320 degrees C. The reflectance spectra can be observed only when the concentration of the arsenic antisite defect is lower than 3.4X10(19) cm(-3). The absence of the signal for a rich defect sample is related to the short carrier lifetime and surface depletion width. The transition energies of E-0 and E-1 are found to increase with the decrease of the growth temperatures. The increase of the transition energies is attributed to lattice mismatch and deviation of the stoichiometry. (C) 1997 American Institute of Physics.
    Relation: JOURNAL OF APPLIED PHYSICS
    Appears in Collections:[物理研究所] 期刊論文

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