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

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...

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Bibliographic Details
Published in:Solid state communications 1984-01, Vol.50 (8), p.753-756
Main Authors: Horstman, R.E., Broek, E.J.v.d., Wolter, J., van der Heijden, R.W., Rikken, G.L.J.A., Sigg, H., Frijlink, P.M., Maluenda, J., Hallais, J.
Format: Article
Language:English
Subjects:
Applied sciences
Electronics
Exact sciences and technology
Interfaces
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Summary: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.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(84)90979-7