Variably spaced superlattice energy filter, a new device design concept for high-energy electron injection
- 24 March 1986
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 48 (12) , 806-808
- https://doi.org/10.1063/1.96676
Abstract
A new variably spaced superlattice energy filter is proposed which provides high-energy injection of electrons into a bulk semiconductor layer based on resonant tunneling between adjacent quantum well levels which are brought into alignment by an applied bias. Applications of this concept to a variety of optoelectronic devices and to thin-film electroluminescent devices and photodetectors are discussed.Keywords
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