Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2009-06-08
International Journal of Modern Physics B, v.23, Iss. 12/13, pp.2698 - 2702 (2009)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
to be published in International Journal of Modern Physics B
Scientific paper
10.1142/S0217979209062219
Microwave absorption by a high mobility 2DEG has been investigated experimentally using sensitive Electron Paramagnetic Resonance cavity technique. It is found that MW absorption spectra are chiefly governed by confined magnetoplasmon excitations in a 2DEG stripe. Spectra of the 2D magnetoplasmons are studied as a function of magnetic field, MW frequency and carrier density. The electron concentration is tuned by illumination and monitored using optical photoluminescence technique.
Fedorych O. M.
Hirayama Yoshiharu
Moreau S.
Potemski Marek
Saku Tadashi
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