CONFINEMENT OF STATES ABOVE POTENTIAL BARRIERS IN SEMICONDUCTOR SUPERLATTICES
- 28 February 1993
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters B
- Vol. 7 (5) , 299-305
- https://doi.org/10.1142/s021798499300031x
Abstract
We discuss the localization of states whose energy exceeds potential barriers in a semiconductor superlattice. Although there are no confining potentials for such states, the potential discontinuities reflect the electron waves in such a way as to impose constructive interference conditions on the electron states, leading to significant confinement effects.Keywords
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