Optical properties of semiconductor quantum structures CdTe/ZnSe: Contribution of CdTe quantum dots

被引：0
|
作者：
Van Dao, Lap [1 ]
Lowe, Martin [1 ]
Hannaford, Peter [1 ]
Makino, Hisao [2 ]
Takai, Toshiaki [2 ]
Yao, Takafumi [2 ]
机构：
[1] Ctr. Atom Opt./Ultrafast Spectrosc., Sch. Biophysical Sci. and Elec. Eng., Swinburne University of Technology, Melbourne, 3122, Australia
[2] Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
来源：
International Journal of Nanoscience | 2004年 / 3卷 / 03期
关键词：
Electron energy levels - Optical properties - Photoluminescence - Photons - Quantum theory - Semiconducting zinc compounds - Semiconductor quantum dots - Thermal effects;
D O I：
10.1142/S0219581X04002061
中图分类号：
学科分类号：
摘要：
The optical properties of the semiconductor quantum structure CdTe/ZnSe are investigated using temperature-dependent photoluminescence and spectrally-resolved three-pulse two-color femtosecond photon echo measurements. The origin of the observed photoluminescence as luminescence from self-assembled quantum dots and the coexistence of two-dimensional and zero-dimensional structures are discussed in terms of the temperature-dependence of the photoluminescence, the wavelength dependence of the dephasing of excited carriers, and the homogeneous broadening of the energy levels.
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页码：265 / 272
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