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Proceedings Paper

Intersubband energies of two-dimensional electron gases in GaAs/AlGaAs heterojunction determined by resonant subband-Landau-level coupling
Author(s): Zhanghai Chen; Canming Hu; Pulin Liu; Guo Liang Shi; Xue Chu Shen
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Paper Abstract

Cyclotron resonance (CR) of two-dimensional electron gases (2DEG) in GaAs/AlGaAs heterojunction was studied by the gate voltage ratio spectrum measurement technique. The oscillation behaviors of the intensity of the CR peaks, the electron effective mass, scattering time and mobility obtained by fitting the CR line shape with the magnetic field due to the resonant subband Landau level coupling (RSLC) were observed. Several intersubband energies with high quantum index were measured by this RSLC method at different gate voltage. The results are in good agreement with the self-consistent calculations including the depolarization shift and the exciton effect correction.

Paper Details

Date Published: 20 February 1998
PDF: 3 pages
Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); doi: 10.1117/12.300712
Show Author Affiliations
Zhanghai Chen, Shanghai Institute of Technical Physics (China)
Canming Hu, Shanghai Institute of Technical Physics (China)
Pulin Liu, Shanghai Institute of Technical Physics (China)
Guo Liang Shi, Shanghai Institute of Technical Physics (China)
Xue Chu Shen, Shanghai Institute of Technical Physics (China)


Published in SPIE Proceedings Vol. 3175:
Third International Conference on Thin Film Physics and Applications
Shixun Zhou; Yongling Wang; Yi-Xin Chen; Shuzheng Mao, Editor(s)

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