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Proceedings Paper

Tamm-like interface states in periodical ZnSe/BeTe heterostructures: observed by spectroscopic ellipsometry
Author(s): A. S. Gurevich; V. P. Kochereshko; A. V. Platonov; B. A. Zyakin; A. Waag
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Paper Abstract

Spectral response of lateral optical anisotropy of periodic undoped type-II ZnSe/BeTe heterostructures with nonequivalent interfaces has been studied by spectroscopic ellipsometry. The spectra revealed two types of features corresponding to optical transitions with energies lying in the bandgap. The position of features of the first type does not depend on the heterostructure period. Features of the second type shift toward lower energies with decreasing period of the heterostructure. This behavior is explained in terms of a model taking into account the existence of electronic and hole interface states, as well as of a mixed-type interface state.

Paper Details

Date Published: 18 August 2005
PDF: 11 pages
Proc. SPIE 5888, Polarization Science and Remote Sensing II, 58881G (18 August 2005); doi: 10.1117/12.615862
Show Author Affiliations
A. S. Gurevich, Ioffe Physicotechnical Institute (Russia)
V. P. Kochereshko, Ioffe Physicotechnical Institute (Russia)
A. V. Platonov, Ioffe Physicotechnical Institute (Russia)
B. A. Zyakin, Ioffe Physicotechnical Institute (Russia)
A. Waag, Braunschweig Technical Univ. (Germany)

Published in SPIE Proceedings Vol. 5888:
Polarization Science and Remote Sensing II
Joseph A. Shaw; J. Scott Tyo, Editor(s)

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