Published July 1991
| public
Journal Article
Open
Band structure effects in interband tunnel devices
- Creators
- Ting, D. Z.-Y.
- Yu, E. T.
- McGill, T. C.
Abstract
We report on a calculation of transport in InAs/GaSb/AlSb-based interband tunnel structures using a realistic band structure model. The results are compared with calculations using a two-band model which includes only the lowest conduction band and the light-hole band. We find that for device structures containing GaSb quantum wells, the inclusion of heavy-hole states can introduce additional transmission resonances and substantial hole-mixing effects. These effects are found to have a significant influence on the current–voltage characteristics of interband devices.
Additional Information
© 1991 American Vacuum Society. (Received 29 January 1991; accepted 8 April 1991) The authors would like to thank W.R. Frensley, C.S. Lent, Y.C. Chang, and J.N. Schulman for helpful discussions. One of us (E.T.Y.) would like to acknowledge financial support from the AT&T Foundation. This work is supported by the Office of Naval Research (ONR) under Grant No. N00014-89-J-1141.Files
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Additional details
- Eprint ID
- 10838
- Resolver ID
- CaltechAUTHORS:TINjvstb91
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