Velocity electric field relationship for minority electrons in highly doped p-GaAs
- 26 February 1990
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 56 (9) , 824-826
- https://doi.org/10.1063/1.102674
Abstract
Using the time‐of‐flight method, the drift velocity for minority electrons in highly doped p‐GaAs was successfully measured at room temperature. The obtained velocity electric field relationships indicate that the velocity does not decrease but slightly increases and then saturates with increasing hole concentration above 1×1019 cm−3. Such behavior is well explained by the effects of degeneracy, which reduces the electron‐hole interaction, and the hole distribution function dependence on electric field from the Monte Carlo calculation.Keywords
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