About the linewidth of cyclotron resonance in band-gap graphene

被引：0
作者：
Kryuchkov, S. V. [1 ,2 ]
Kukhar', E. I. [1 ]
机构：
[1] Volgograd State Sociopedag Univ, Phys Lab Low Dimens Syst, Volgograd 400066, Russia
[2] Volgograd State Tech Univ, Volgograd 400005, Russia
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2015年 / 65卷
关键词：
Graphene; Electromagnetic wave; Cyclotron absorption; Cyclotron resonance; ABSORPTION; FIELD;
D O I：
10.1016/j.physe.2014.08.008
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The critical amplitude of circularly polarized electromagnetic wave when the hysteresis of cyclotron absorption takes place, was found for band-gap graphene. The dependence of critical amplitude on the gap value and on the relaxation time was investigated. The conditions of applicability of linear theory describing the electromagnetic response of band-gap graphene in a non-zero magnetic field were found. The power of the circularly polarized electromagnetic radiation absorbed by band-gap graphene in the presence of a magnetic field was calculated. The linewidth of cyclotron absorption was shown to be not zero even for pure band-gap graphene. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：13 / 16
页数：4
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