Two-Dimensional Plasma Excitations in a Random Array of Quantum Antidots

被引：0
|
作者：
Vasilyev, Yu. B. [1 ]
机构：
[1] Ioffe Inst, St Petersburg 194021, Russia
来源：
SEMICONDUCTORS | 2023年 / 57卷 / 05期
关键词：
plasmon; two-dimensional electron system; array of antidots; hetero junction; cyclotron resonance;
D O I：
10.1134/S1063782623070199
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Plasmon excitations in two-dimensional electron systems in an AlGaAs/GaAs heterojunction containing a layer of self-organizing antidots at the heterointerface are experimentally studied. In a magnetic field, in the terahertz absorption spectra obtained by Fourier spectroscopy, along with the cyclotron resonance, a magnetoplasmon mode is observed. With an increase in the magnetic field, an extreme decrease in the width of the magnetoplasmon line occurs, which can be explained by the localization of plasmons by the magnetic field in a random array of antidots.
引用
收藏
页码：272 / 274
页数：3
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