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Proceedings Paper

Novel absorption line shape induced by Tamm states in a finite-length GaAs/AlGaAs superlattice
Author(s): Roger H. Yu
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Paper Abstract

The absorption coefficient is calculated using the density-density response function (chi) (q(parallel),(omega) ;z,z'). The surface localized Tamm states yield an extra peak in the spectrum. The Coulomb interaction among the electrons shifts the resonant energy upward, changes the line shape, and leaves a weak but well-defined structure behind.

Paper Details

Date Published: 26 October 1994
PDF: 6 pages
Proc. SPIE 2364, Second International Conference on Thin Film Physics and Applications, (26 October 1994); doi: 10.1117/12.190752
Show Author Affiliations
Roger H. Yu, Central Washington Univ. (United States)

Published in SPIE Proceedings Vol. 2364:
Second International Conference on Thin Film Physics and Applications
Shixun Zhou; Yongling Wang; Yi-Xin Chen; Shuzheng Mao, Editor(s)

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