Published November 15, 1989
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Journal Article
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Effects of barrier phonons on the tunneling current in a double-barrier structure
- Creators
- Wu, G. Y.
- McGill, T. C.
Chicago
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Abstract
The effects of AlAs acoustical and optical phonons on the tunneling current in an ideal GaAs-AlAs-GaAs-AlAs-GaAs structure are discussed. The transfer Hamiltonian method was extended to inelastic tunneling current in a double-barrier structure. It is found that the current off resonance in the Tsu-Esaki model could be enhanced by orders of magnitude by inelastic tunneling due to the coupling of electrons to barrier optical phonons. The contribution to the current due to the deformation-potential coupling of electrons to barrier acoustical phonons is found to be much less important.
Additional Information
©1989 The American Physical Society Received 20 May 1988 The authors gratefully acknowledge the support of the Office of Naval Research under Contract No. N00014-84-K-0501.Files
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- Eprint ID
- 6475
- Resolver ID
- CaltechAUTHORS:WUGprb89b
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