Negative differential conductance due to resonant states in GaInAs/InP hot-electron transistors
- 12 November 1990
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 57 (20) , 2104-2106
- https://doi.org/10.1063/1.103956
Abstract
We have observed dips with negative values in the curve of the differential conductance of the base versus the base‐emitter voltage dIB/dVBE at 77 K in GaInAs/InP hot‐electron transistors grown by organometallic vapor phase epitaxy. The efficiency of the hot‐electron transmission across the 40‐nm‐thick base was more than 0.99. In comparison with a theoretical model considering that observed dips should have been caused by the resonant states in the base well, the phase relaxation time of the hot electron is estimated to be in the order of 0.1 ps or longer.Keywords
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