Mechanism of terahertz photoconductivity in semimetallic HgTe/CdHgTe quantum wells

被引：0
作者：
Yu. B. Vasilyev
N. N. Mikhailov
F. Gouider
G. Yu. Vasilyeva
G. Nachtwei
机构：
[1] Russian Academy of Sciences,Ioffe Physical
[2] Russian Academy of Sciences,Technical Institute
[3] Institut für Angewandte Physik,Rzhanov Institute of Semiconductor Physics, Siberian Branch
[4] St. Petersburg State Polytechnic University,undefined
来源：
Semiconductors | 2012年 / 46卷
关键词：
Cyclotron Resonance; HgTe; Terahertz Radiation; Photoconductivity Spectrum; Carrier Effective Mass;
D O I：
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学科分类号：
摘要：
Terahertz photoconductivity in magnetic fields in semimetallic HgTe/CdHgTe quantum wells has been studied. The main contribution to photoconductivity comes from a signal that appears as a result of electron-gas heating. It is shown that, with the cyclotron resonance conditions satisfied, the photoconductivity signal is composed of cyclotron-resonance and bolometric components. However, in this case too, the bolometric contribution predominates.
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页码：655 / 658
页数：3
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