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Pressure dependence of photoluminescence of ZnTe/Zn1-xCdxTe strained-layer superlattice
其他题名论文其他题名
Li W. S.; Shen Z. X.; Li H. Y.; Shen D. Z.; Fan X. W.
2001
发表期刊Journal of Raman Spectroscopy
ISSN0377-0486
卷号32期号:10页码:847-851
摘要Photoluminescence (PL) spectra of ZnTe/Zn1-xCdxTe (x = 0.23) strained-layer superlattice (SLS) samples were studied at hydrostatic pressures up to 4.8 GPa at room temperature. A sublinear pressure dependence of the PL peaks for both the heavy-hole exciton and the donor-acceptor pair was observed. The first- and second-order pressure coefficients of the PL peaks were obtained by a least-squares fit. An analytical expression for the heavy-hole exciton was also derived. The pressure coefficients obtained from the analytical expression are 104 meV GPa(-1) and -4.44 meV GPa(-1), in excellent agreement with the experimental values of 103.9 meV GPa(-1) and -4.5 meV GPa(-2). It is shown that the contribution to the linear pressure coefficient comes exclusively from the hydrostatic component. Both hydrostatic and biaxial terms are responsible for the second-order pressure coefficient, with a negative contribution of -6.07 meV GPa(-2) and a positive contribution of 1.63 meV GPa(-2), respectively. Copyright (C) 2001 John Wiley & Sons, Ltd.
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/25233
专题中科院长春光机所知识产出
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GB/T 7714
Li W. S.,Shen Z. X.,Li H. Y.,et al. Pressure dependence of photoluminescence of ZnTe/Zn1-xCdxTe strained-layer superlattice[J]. Journal of Raman Spectroscopy,2001,32(10):847-851.
APA Li W. S.,Shen Z. X.,Li H. Y.,Shen D. Z.,&Fan X. W..(2001).Pressure dependence of photoluminescence of ZnTe/Zn1-xCdxTe strained-layer superlattice.Journal of Raman Spectroscopy,32(10),847-851.
MLA Li W. S.,et al."Pressure dependence of photoluminescence of ZnTe/Zn1-xCdxTe strained-layer superlattice".Journal of Raman Spectroscopy 32.10(2001):847-851.
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