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Plasma Oscillations at the Surface of a Type II Superlattice
Author(s) -
Sy H. K.
Publication year - 1989
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221560209
Subject(s) - dispersion relation , superlattice , plasma , type (biology) , condensed matter physics , surface (topology) , boundary value problem , semiconductor , physics , electron , boundary (topology) , dispersion (optics) , plasma oscillation , materials science , optics , mathematical analysis , quantum mechanics , mathematics , geometry , ecology , biology
Semi‐infinite type II semiconductor multilayers are investigated consisting of alternating layers of two‐dimensional electron and hole carriers. By applying electromagnetic boundary conditions, a dispersion relation is derived for surface plasma modes. This is shown to be equivalent to that obtained recently starting from electrostatic image charges. Some numerical results are also discussed.