Determination of Photoelastic Constant Ratio of the Two Components in Ge_(x)Si_(1-x)/Si Superlattice

JIN Ying; ZHANG Shulin; ZHOU Guoliang; YU Mingren; QIN Guogang

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Determination of Photoelastic Constant Ratio of the Two Components in Ge_(x)Si_(1-x)/Si Superlattice

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From the intensity ratio of the folded longitudinal acoustic phonons with respect to the longitudinal acoustic phonon in a Ge_(0.51)Si_(0.49)/Si superlattice(SL),we obtained a photoelastic constant ratio of 6.6 for Ge_(0.51)Si_(0.49) alloy with respect to Si in the SL at wavelength 5145 A,which is 2.6 times greater than that obtainedby[He Phys.Rev.B 39(1989)5919]in a Ge_(0.5)Si_(0.5)/Si SL.

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《中国物理快报：英文版》 |1992年第4期|213-216|共4页
作者
JIN Ying; ZHANG Shulin; ZHOU Guoliang; YU Mingren; QIN Guogang;
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作者单位

Department of Physics;

and National Laboratory for Artificial Microstructure and Mesoscopic Physics;

Peking University;

Beijing 100871;

Surface Physics Laboratory;

Fudan University;

Shanghai 200433;

International Center for Materials Physics;

Academia Sinica;

Shenyang 110015;

Department of Physics;

Peking University;

Beijing 100871;

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原文格式 PDF
正文语种 chi
中图分类金属学与热处理;
关键词
alloy; Determination;

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Determination of Photoelastic Constant Ratio of the Two Components in Ge_(x)Si_(1-x)/Si Superlattice

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