Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2003-05-21
Proc. of the 26th International Conference on the Physics of Semiconductors, Edinburgh, Scotland, 29 July - 2 August 2002, IOP
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
presented at the 26th International Conference on the Physics of Semiconductors, Edinburgh, Scotland, 29 July - 2 August 2002
Scientific paper
Oscillations of the resistance observed under electromagnetic wave excitation in the high mobility GaAs/AlGaAs 2DES are examined as a function of the radiation frequency and the power, utilizing an empirical lineshape based on exponentially damped sinusoids. The fit-analysis indicates the resistance oscillation frequency, F, increases with the radiation frequency, n, at the rate dF/dn = 2.37 mTesla/GHz; the damping parameter, a, is approximately independent of n at constant power; and the amplitude, A, of the oscillations grows slowly with the incident power, at a constant temperature and frequency. The lineshape appears to provide a good description of the data.
Johnson William B.
Klitzing Klaus von
Mani R. G.
Narayanamurti Venkatesh
Smet Jurgen H.
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