Abstract
We report on a very strong, and a rather sharp, photoresistance peak originating from a dimensional magnetoplasmon resonance (MPR) in a high-mobility GaAs/AlGaAs quantum well driven by microwave radiation into a zero-resistance state (ZRS). The analysis of the MPR signal reveals a negative background, providing experimental evidence for the concept of absolute negative resistance associated with the ZRS. When the system is further subject to a dc field, the maxima of microwave-induced resistance oscillations decay away and the system reveals a state with close-to-zero differential resistance. The MPR peak, on the other hand, remains essentially unchanged, indicating robust Ohmic behavior under the MPR conditions.
Keywords
MAGNETORESISTANCE OSCILLATIONS; GAS; MOBILITY
DOI
10.1103/PhysRevB.85.121306
Citation
A. T. Hatke, M. A. Zudov, J. D. Watson, and M. J. Manfra Phys. Rev. B 85, 121306(R) – Published 30 March 2012
Date of this Version
3-30-2012
Recommended Citation
Hatke, A. T.; Zudov, M. A.; Watson, J. D.; and Manfra, Michael J., "Magnetoplasmon resonance in a two-dimensional electron system driven into a zero-resistance state" (2012). Birck and NCN Publications. Paper 1231.
http://dx.doi.org/10.1103/PhysRevB.85.121306
Comments
This is the published version of A. T. Hatke, M. A. Zudov, J. D. Watson, and M. J. Manfra. 30 March 2012. Magnetoplasmon resonance in a two-dimensional electron system driven into a zero-resistance state. First published in the Physical Review B and is available online at: http://dx.doi.org/10.1103/PhysRevB.85.121306.