Single heterostructures for optical transport experiments
- 30 November 1987
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 51 (22) , 1815-1817
- https://doi.org/10.1063/1.98532
Abstract
We introduce a new GaAs/AlxGa1−xAs single heterostructure, which allows local optical injection of a one-component confined plasma. The heterojunction is placed in the undoped region of a p-i-n structure, which provides a high built-in electric field for the separation of injected electrons and holes, as well as for the two-dimensional confinement of electrons. A time-of-flight measurement of the majority-electron drift velocity at room temperature is demonstrated.Keywords
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