Hole space-charge buildup and evidence for sequential tunneling in p-type double-barrier resonant tunneling devices
- 23 March 1992
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 60 (12) , 1474-1476
- https://doi.org/10.1063/1.107275
Abstract
Magnetoquantum oscillations in the tunnel current of a p-type double-barrier AlAs/GaAs/AlAs device are used to measure the buildup of hole space charge in the quantum well over a wide range of bias. These measurements demonstrate sequential tunneling of holes. The effective mass for hole tunneling is estimated.Keywords
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