Magnetoluminescence of Ge/Ge1−xSix heterostructures

被引：0
|
作者：
A. V. Chernenko
N. G. Kalugin
O. A. Kusnetsov
机构：
[1] Russian Academy of Sciences,Institute of Solid State Physics
[2] Russian Academy of Sciences,Institute of Microstructure Physics
来源：
Journal of Experimental and Theoretical Physics | 1998年 / 87卷
关键词：
Spectroscopy; Experimental Data; Magnetic Field; State Physics; Field Theory;
D O I：
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中图分类号：
学科分类号：
摘要：
This paper reports on the first investigation made of luminescence of Ge/Ge1−xSix heterostructures at liquid-helium temperatures in a magnetic field of up to 14 T. The luminescence lines observed in the spectra are due to both free and impurity bound excitons in Ge layers. The diamagnetic shift of the quasi-two-dimensional exciton has been measured. From the experimental data the size of the exciton has been estimated to be 75–90 Å.
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页码：337 / 341
页数：4
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