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Intrasubband and intersubband plasmons in a semi-infinite Fibonacci HgTe/CdTe superlattice

Physical Review B, ISSN: 0163-1829, Vol: 40, Issue: 11, Page: 7754-7758
1989
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  • Citations
    22
    • Citation Indexes
      22

Article Description

An equivalenttransfer-matrix theory is proposed by introducing the formal structure factors to study the intrasubband and intersubband plasmons in a semi-infinite Fibonacci HgTe/CdTe superlattice. Taking into account the hybridization between the interface states and the heavy-hole-like states, we find several new surface-plasmon branches. In such a system, the bulk- and the surface-plasmon spectra will exhibit many different features when the surface layer of the superlattice is selected at different positions. It may provide us with useful information about the selection of the surface-plasmon branch that we need for surface-wave device application. © 1989 The American Physical Society.

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