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Proceedings Paper

Electron-waveguide transmission resonance at a defect
Author(s): Alfred M. Kriman; B. S. Haukness; David K. Ferry
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Paper Abstract

We study theoretically the effect of few elastic scatterers on electron transport in the ballistic regime. In laterally confined structures (quasi 1-d or 2-d), resonant transmission peaks occur when total electron energy equals any miniband energy. Unit transmission probability is approached when the scattering defect is small, and far from other scatterers, even if the scatterer is strong enough to decrease significantly the conductance away from resonance. Both numerical and analytical methods are used. Resonances occur for all shapes of confining potential.

Paper Details

Date Published: 1 October 1990
PDF: 9 pages
Proc. SPIE 1284, Nanostructure and Microstructure Correlation with Physical Properties of Semiconductors, (1 October 1990); doi: 10.1117/12.20777
Show Author Affiliations
Alfred M. Kriman, Arizona State Univ. (United States)
B. S. Haukness, Arizona State Univ. (United States)
David K. Ferry, Arizona State Univ. (United States)

Published in SPIE Proceedings Vol. 1284:
Nanostructure and Microstructure Correlation with Physical Properties of Semiconductors
Harold G. Craighead; J. Murray Gibson, Editor(s)

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