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Microwave-induced Electron Heating in the Regime of Radiation-induced Magnetoresistance Oscillations by Ramanayaka, A. N.; Mani, R. G.; Wegscheider, W. is a scholarly article available to read on EtoBox.

What is Microwave-induced Electron Heating in the Regime of Radiation-induced Magnetoresistance Oscillations about?

We examine the influence of microwave photoexcitation on the amplitude of Shubnikov-de Haas (SdH) oscillations in a two dimensional GaAs/AlGaAs electron system in a regime where the cyclotron frequency, $\omega_{c}$, and the microwave angular frequency, $\omega$, satisfy $2 \omega \le \omega_{c} \le 3.5 \omega$. A SdH lineshape analysis indicates that increasing the incident microwave power has a weak effect on the amplitude of the SdH oscillations, in comparison to the influence of modest temperature changes on the dark-specimen SdH effect. The results indicate negligible electron heating under modest microwave photoexcitation, in good agreement with theoretical predictions.

Author

Ramanayaka, A. N.; Mani, R. G.; Wegscheider, W.

Published

2011

Language

EN