Oscillatory instability in the heterostructure hot-electron diode
- 30 September 1991
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 59 (14) , 1702-1704
- https://doi.org/10.1063/1.106223
Abstract
Vertical electrical transport in the heterostructure hot‐electron diode is considered theoretically. We present a simple dynamical model which consistently explains the measured S‐shaped negative differential conductivity in the current‐voltage characteristics. The model predicts a new type of self‐sustained 60 GHz voltage oscillations between tunneling and thermionic emission if the sample is driven by a dc voltage source having a resistor in series and a capacitor in parallel.Keywords
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