Shubnikov-de Haas oscillations in a two-dimensional electron gas under subterahertz radiation

被引：12

作者：

Shi, Q. ^{[1
]}

Martin, P. D. ^{[1
]}

Hatke, A. T. ^{[1
,2
]}

Zudov, M. A. ^{[1
]}

Watson, J. D. ^{[3
,4
]}

Gardner, G. C. ^{[4
,5
]}

Manfra, M. J. ^{[3
,4
,5
,6
]}

Pfeiffer, L. N. ^{[7
]}

West, K. W. ^{[7
]}

机构：

[1] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[2] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

[3] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA

[4] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA

[5] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA

[6] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA

[7] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

来源：

PHYSICAL REVIEW B | 2015年 / 92卷 / 08期

关键词：

INDUCED MAGNETORESISTANCE OSCILLATIONS; CYCLOTRON-RESONANCE; MICROWAVE-RADIATION; RESISTANCE STATES; SYSTEM;

D O I：

10.1103/PhysRevB.92.081405

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on magnetotransport measurements in a two-dimensional (2D) electron gas subject to subterahertz radiation in the regime where Shubnikov-de Haas oscillations (SdHOs) and microwave-induced resistance oscillations (MIROs) coexist over a wide magnetic field range, spanning several harmonics of the cyclotron resonance. Surprisingly, we find that the SdHO amplitude is modified by the radiation in a nontrivial way, owing to the oscillatory correction which has the same period and phase as MIROs. This finding challenges our current understanding of microwave photoresistance in 2D electron gas, calling for future investigations.

引用

页数：5

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