Dwell time and average local speed in a resonant tunneling structure

We show that the dwell times and the average local speeds of an electron in a resonant tunneling structure depend sensitively on the matching parameter at the interfaces. We point out that there is a need to carry out microscopic calculations to find out which matching parameter is appropriate for a...

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Bibliographic Details
Published in:Solid state communications 1989-10, Vol.72 (1), p.7-11
Main Authors: Pandey, L.N., Sahu, D., George, Thomas F.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport in interface structures
Exact sciences and technology
Physics
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Description
Summary:We show that the dwell times and the average local speeds of an electron in a resonant tunneling structure depend sensitively on the matching parameter at the interfaces. We point out that there is a need to carry out microscopic calculations to find out which matching parameter is appropriate for a given structure.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(89)90869-7