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Proceedings Paper

Study of novel oscillations in degenerate GaAs/A1GaAs quantum-wells using electro-optic voltage probing
Author(s): Ernest S.-M. Tsui; Anthony J. Vickers
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Paper Abstract

We used electro-optic voltage probing to map the potential distributions along a degenerate single quantum well that exhibited current oscillations when subjected to high fields at low temperatures. The results given here were obtained over a wide range of field strengths at room temperature. The potential profiles were found to contain some very unusual features which might be indicative of the poor quality of the barrier material in this sample.

Paper Details

Date Published: 1 February 1991
PDF: 7 pages
Proc. SPIE 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications, (1 February 1991); doi: 10.1117/12.24467
Show Author Affiliations
Ernest S.-M. Tsui, Univ. of Essex (United Kingdom)
Anthony J. Vickers, Univ. of Essex (United Kingdom)


Published in SPIE Proceedings Vol. 1362:
Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications
Manijeh Razeghi, Editor(s)

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