Cyclotron resonance from the far-infrared transmission and the photoconductivity of a two-dimensional electron gas in a GaAs/AlGaAs heterojunction

R.E. Horstman, E.J. v.d. Broek, Joachim Wolter, Rob W. van der Heijden, G.L.J.A. Rikken, H. Sigg, P.M. Frijlink, J. Maluenda, J. Hallais

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Abstract

Cyclotron resonance is investigated in far-infrared transmission and in photoconductivity measurements on a two-dimensional electron gas in an AlGaAs/GaAs heterojunction. The photoresistivity signal, divided by the temperature coefficient of the resistivity, displayed as a function of magnetic field, reproduces quite well the cyclotron resonance line observed in transmission. There is a slight difference in line width, which may be due to a shorter scattering time for localized as compared to non-localized electrons.

Original languageEnglish
Pages (from-to)753-756
Number of pages4
JournalSolid State Communications
Volume50
Issue number8
DOIs
Publication statusPublished - 1 Jan 1984

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