Bulk and surface plasmon modes in a superlattice of alternating layered electron gases
- 20 February 1986
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 19 (5) , 739-747
- https://doi.org/10.1088/0022-3719/19/5/013
Abstract
Calculations are presented for the collective plasmon modes of a superlattice consisting of two-dimensional electron gas layers separated by media of alternating thickness and/or dielectric constant. The theory is developed for bulk plasmon modes in an infinite superlattice, and for bulk and surface modes in a semi-infinite superlattice. Applications are made to layered electron gases in semiconductor heterojunctions (such as GaAs/AlxGa1-xAs), and in particular to light scattering from the plasmons.Keywords
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