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High-frequency current oscillations in GaAs/AlGaAs single quantum wells

Vickers, AJ and Straw, A (1989) 'High-frequency current oscillations in GaAs/AlGaAs single quantum wells.' Semiconductor Science and Technology, 4 (9). 743 - 746. ISSN 0268-1242

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Abstract

High-frequency current oscillations have been observed in highly doped single quantum well structures of GaAs/AlGaAs. Several samples of the same structure, but aligned along different crystallographic directions, have been studied. The field, temperature and time dependences of these oscillations have been investigated. Various mechanisms associated with current oscillations are discussed including NDR, trapping and dual streaming, but as yet no single mechanism fully describes the observations. In some samples, the period doubling was observed, which has been related by others with routes to chaos.

Item Type: Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 12 Mar 2017 16:30
Last Modified: 30 Jan 2019 16:16
URI: http://repository.essex.ac.uk/id/eprint/19286

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