Comparative study of microwave radiation-induced magneto-resistance oscillations induced by circularly- and linearly- polarized microwaves

33rd International Conference on the Physics of Semiconductors

Ye, Tianyu^1 ; Liu, Han-Chun^1 ; Mani, Ramesh G.^1 ; Wegscheider, W.^2

Department of Physics and Astronomy, Georgia State University, Atlanta

GA

30303, United States^1

Laboratorium für Festkörperphysik, ETH Zürich, Zürich

8093, Switzerland^2

关键词: Circularly polarized;    Circularly polarized microwaves;    Comparative studies;    GaAs/AlGaAs;    High mobility;    Linearly polarized;    Radiation-induced;    Two-dimensional electron system (2DES);   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/864/1/012048/pdf
DOI  :  10.1088/1742-6596/864/1/012048

来源: IOP

【 摘 要 】

A systematic comparative study of radiation-induced magneto-resistance oscillations using circularly polarized- and linearly polarized microwaves was carried out on the high mobility GaAs/AlGaAs heterostructure two dimensional electron system (2DES). The results showed that, the sinusoidal sensitivity in the amplitude of the radiation-induced magnetoresistance oscillations observed under launcher rotation for linearly polarized microwaves, is remarkably absent in the similar experiment carried out with circularly polarized microwaves.