Negative differential conductance in GaAs/AlAs superlattices
- 6 June 1991
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 27 (12) , 1101-1103
- https://doi.org/10.1049/el:19910684
Abstract
Negative differential conductance has been characterised on a series of n-doped GaAs/AlAs superlattices due to Esaki's negative effective mass mechanism. High electron peak velocities (up to 107cm/s) were obtained together with high current densities (up to 150kA/cm2). These preliminary results are promising for microwave applications.Keywords
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