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张应变In1-xGaxAsyP1-y/InP材料光致荧光谱温度特性的测试与分析

丁国庆

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张应变In1-xGaxAsyP1-y/InP材料光致荧光谱温度特性的测试与分析

丁国庆

INVESTIGATION OF TENSILE-STRAINED,LONG WAVELENGTH In1-xGaxAsyP1-y/InP WITH QUANTUM-WELL STRUCTURE BY PHTOLUMINESCENCE MEASUREMENTS

DING GUO-QING
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  • 报道了具有2,3个量子阱的In1-x1Gax1Asy1P1-y1/In1-x2Gax2Asy2P1-y2/InP张应变量子阱材料的光致荧光谱和X射线双晶衍射摇
    The Photoluminescence (PL) Spectra and the double-Crystal X-ray diffraction rocking curves from tensile-strained quantum materials with 2 and 3 wells are reported in this paper.They indicate that PL peaks result from the intrinsic recombination mechanisms between the electrons in the first conducting subband and the holes in the first light,heavy hole subband in the quantum well materials.We have analysed the variation of the twin-peak intensity ratio with temperature theoretically.The calculation result for No.577 and No.572 is basically in agreement with the measured one.The approximate relation of the split value ΔE1 of light-heavy hole subband with the mismatch rate ε is found.The difference of the theoretic calculation value and the measured result for the split value from the first light hole subband and the first heavy hole one is discussed.
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出版历程
  • 收稿日期:  1997-09-02
  • 修回日期:  1997-12-19
  • 刊出日期:  1998-09-20

张应变In1-xGaxAsyP1-y/InP材料光致荧光谱温度特性的测试与分析

  • 1. 邮电部武汉邮电科学研究院,武汉 430074

摘要: 报道了具有2,3个量子阱的In1-x1Gax1Asy1P1-y1/In1-x2Gax2Asy2P1-y2/InP张应变量子阱材料的光致荧光谱和X射线双晶衍射摇

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