LPE生长碲高掺杂低(In, As)含量InxGa1-xAsySb1-y季系合金的晶格振动研究

J. Díaz-Reyes, E. López-Cruz, J. Mendoza-Álvarez
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引用次数: 2

摘要

采用液相外延法(LPE)在p型GaSb衬底上沿(100)方向生长了高掺碲的季元合金InxGa1-xAsySb1-y。采用改进的随机元等位移模型(MREI)获得了纵向(LO)和横向(TO)光学模式。将实验结果与MREI模型的结果进行比较,可以确认这些波段对应于二元化合物GaAs和(GaSb + InAs)的LO和to的相关模式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Lattice vibrations study of InxGa1-xAsySb1-y quaternary alloys with low (In, As) content highly doped by tellurium grown by LPE
The quaternary alloy InxGa1-xAsySb1-y highly doped with tellurium was grown on substrates of p-type GaSb in the direction (100) by liquid phase epitaxy (LPE). The longitudinal (LO) and transverse (TO) optical modes were obtained using the modified random-element iso-displacement model (MREI model). The comparison of the experimental results with obtained by the MREI model allows to confirm that the bands correspond to the modes associated LO and TO of the binary compounds GaAs and (GaSb + InAs).
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