Origin of the Oscillation in Current-Voltage Characteristics of GaAs-AlGaAs Tunnel Junctions
- 26 August 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 55 (9) , 999-1002
- https://doi.org/10.1103/physrevlett.55.999
Abstract
I show that recently reported oscillations in the current-voltage characteristics of GaAs-AlGaAs tunnel junctions are due to a combination of self-energy corrections to the density of states from electron-phonon interactions and successive phonon emission in the GaAs buffer layer. Alternative models based on space-charge modulation or point-contact transport do not explain the experimental data.Keywords
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