CYCLOTRON-RESONANCE OF LOW CONCENTRATION 2D ELECTRON GASES IN GAAS ALGAAS HETEROSTRUCTURES/

Authors
SECK M POTEMSKI M HUANT S WYDER P WEIMANN G
Citation
M. Seck et al., CYCLOTRON-RESONANCE OF LOW CONCENTRATION 2D ELECTRON GASES IN GAAS ALGAAS HETEROSTRUCTURES/, Physica. B, Condensed matter, 211(1-4), 1995, pp. 470-473
Citations number
8
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica. B, Condensed matter → ACNP
ISSN journal
09214526
Volume
211
Issue
1-4
Year of publication
1995
Pages
470 - 473
Database
ISI
SICI code
0921-4526(1995)211:1-4<470:COLC2E>2.0.ZU;2-9
Abstract
We found a cyclotron resonance signal in an intentionally undoped GaAs /AlGaAs quantum well structure, using a FIR laser and a Fourier transf orm spectrometer. The concentration of the electron gas is varied by i llumination with an Ar laser between 10(10) and 3 x 10(10) cm(-2). We observe the deviation from linear behavior omega(B) generally assigned to localization. The dependence of the localization parameter and the cyclotron mobility on temperature and illumination is discussed.