| ZnSe-ZnTe应变层超晶格远红外反射谱 |
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| 引用本文： | 崔捷,陈云良,王海龙,干福熹. ZnSe-ZnTe应变层超晶格远红外反射谱[J]. 光学学报, 1990, 10(9): 798-802 |
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| 作者姓名： | 崔捷 陈云良 王海龙 干福熹 |
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| 作者单位： | 中国科学院上海光学精密机械研究所(崔捷，陈云良，王海龙)，中国科学院上海光学精密机械研究所(干福熹) |
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| 摘 要： | 本文首次报道室温下测量的分子束外延生长的ZnSe-ZnTe应变层超晶格的远红外反射谱.得到了ZnSe、ZnTe横光学声子摸.用长波长超晶格介电理论和多层吸收薄膜理论进行曲线拟合,确定Ⅱ-Ⅵ族ZnS、eZnTe材料的一些基本材料参数,如横光学声子频率、模衰减常数、模振荡强度、高频介电常数等.本文首次报道这些参数.
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| 关 键 词： | 应变层超晶格 远红外反射 分子束外延 横光学声子模 |
| 收稿时间： | 1990-03-29 |
Far-infrared reflectivity spectra of ZnSe-ZnTe Strained-Layer superlattices |
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| CUI JIE,CHEN YUNLIANG,WANG HAILONG AND GAN FUXI. Far-infrared reflectivity spectra of ZnSe-ZnTe Strained-Layer superlattices[J]. Acta Optica Sinica, 1990, 10(9): 798-802 |
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| Authors: | CUI JIE CHEN YUNLIANG WANG HAILONG AND GAN FUXI |
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| Abstract: | Far-infrared reflectivity spectra have been measured for the first time on ZnSe-ZnTe strained-layer superlattioes grown by molecular beam epitaxy. The spectra at 300 K display the ZnSe and ZnTe transverse optical phonon modes. The reflectivity spectrum can be explained by the long wavelength superlattioe dielectric theory and the reflection theory of multiple absorbing layers. Fitting the experimental data with the computer calculated curve, the transverse optical phonon frequences, mode damping cons bants, mode oscillator strengths and high frequency dielectric constrant have been determinded. |
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| Keywords: | strained-layer superlattice far-infrared reflectivity molecular beam epitaxy transvere optical phonon mode. |
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