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Intraminiband plasmons in a superlattice within a parabolic well

✍ Scribed by K.L. Campman; M. Sundaram; S.J. Allen Jr.; A.C. Gossard

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 161 KB
Volume: 15
Category: Article
ISSN: 0749-6036
DOI: 10.1006/spmi.1994.1028

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✦ Synopsis

A well defined collective plasma resonance corresponding to electrons tunneling back and forth through superlattice barriers is observed in a series of modulation doped AlGaAs heterostructures containing a superlattice within a parabolic potential . Due to occupation of a large fraction of the miniband, the resonance frequency decreases strongly with increasing superlattice barrier thickness.

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