| 分子束外延Ga_(1-x)In_xAs_(1-y)Sb_y材料的傅里叶变换红外光谱 |
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| 引用本文： | 毕文刚,李爱珍,郑燕兰,王建新,李存才.分子束外延Ga_(1-x)In_xAs_(1-y)Sb_y材料的傅里叶变换红外光谱[J].红外与毫米波学报,1992,11(5). |
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| 作者姓名： | 毕文刚 李爱珍 郑燕兰 王建新 李存才 |
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| 作者单位： | 中国科学院上海冶金研究所，中国科学院上海冶金研究所，中国科学院上海冶金研究所，中国科学院上海冶金研究所，中国科学院上海冶金研究所 上海，200050，上海，200050，上海，200050，上海，200050，上海，200050 |
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| 摘 要： | 报道了(100)半绝缘GaAs衬底和(100)掺Te GaSb衬底上分子束外延法生长的Ga_(1-x)In_xAs_(1-y)Sb_y材料的傅里叶变换红外光谱特性,分析解释了引起两种衬底上Ga_(1-x)In_xAs_(1-y)Sb_y外延材料红外光谱差异的原因.实验确定了这种材料的带隙和相应波长,与内插法计算的结果进行了比较,发现所有样品的实验值均偏大于理论值,对此进行了理论探讨.
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| 关 键 词： | 傅里叶变换红外光谱 分子束外延 Ga_(1-x)In_xAs_(1-y)Sb_y外延膜 |
FOURIER TRANSFORM INFRARED SPECTROSCOPY CHARACTERIZATION OF MBE-GROWN Ga_(1-x)In_xAs_(1-y)Sb_y |
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| Bi Wengang,Li Aizhen,Zheng Yanlan,Wang Jianxin.FOURIER TRANSFORM INFRARED SPECTROSCOPY CHARACTERIZATION OF MBE-GROWN Ga_(1-x)In_xAs_(1-y)Sb_y[J].Journal of Infrared and Millimeter Waves,1992,11(5). |
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| Authors: | Bi Wengang Li Aizhen Zheng Yanlan Wang Jianxin |
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| Abstract: | Characterization of room temperature Fourier transform infrared spectro-
scopy for MBE-grown Ga_(1-x)In_xAs_(1-y)Sb_y on (100) semi-insulating GaAs and (100)
Te-doped GaSb substrates has been studied and the causes for the difference between
the resulting spectrum of GaInAsSb/GaAs and that of GaInAsSb/GaSb have been
successfully interpreted. The band gap energies of GaInAsSb have been determined ex-
perimentally and compared with those obtained by an interpolation method. It is found
that for all samples investigated, the experimental data are slightly larger than the theo-
retical ones, of which the origin is discussed in detail in this paper. |
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| Keywords: | FTIR MBE GaInAsSb epitaxial film |
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