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Proceedings Paper

Optical properties of heterogeneous thin solid films formed from inorganic and organic compounds
Author(s): Olaf Stenzel; Andrei Lebedev; Raiko Jaehnig; Hartmut Kupfer; Thomas Pfeifer; Steffen Wilbrandt
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Paper Abstract

We present and discuss the optical properties of thin film materials, which are inhomogeneous on the nanometer scale. Particular emphasis will be given to the specific optical behavior of the cluster matter. The cluster shape, cluster size, and the inter-cluster-distance control the latter. When the dielectric functions on the constituents are given, the influence of these spatial parameters on the optical properties may be understood in terms of the Generalized Mie Theorie (GMT), which provides a quantitative description to the optical behavior of such systems, no matter whether the cluster arrangement is preferable one-, two-, or three-dimensional. We will mainly focus on the case, when two-dimensional cluster aggregates are embedded into ultrathin solid films with a thickness of only a few nanometers. In this case, the film thickness appears as a third spatial parameters that is crucial for the optical behavior of the whole system. An appropriate choice of the material combination allows us to manipulate the optical film properties by even subnanometer changes of the mentioned spatial parameters. For instance, absorption line shifts for some hundred nanometers in wavelength may be achieved this way. As examples, amorphous hydrogenated carbon as well as metal island films in various environments will be discussed.

Paper Details

Date Published: 30 June 2000
PDF: 12 pages
Proc. SPIE 4097, Complex Mediums, (30 June 2000); doi: 10.1117/12.390575
Show Author Affiliations
Olaf Stenzel, Technische Univ. Chemnitz (Germany)
Andrei Lebedev, Technische Univ. Chemnitz (Germany)
Raiko Jaehnig, Technische Univ. Chemnitz (Germany)
Hartmut Kupfer, Technische Univ. Chemnitz (Germany)
Thomas Pfeifer, Technische Univ. Chemnitz (Germany)
Steffen Wilbrandt, IfU GmbH (Germany)

Published in SPIE Proceedings Vol. 4097:
Complex Mediums
Akhlesh Lakhtakia; Werner S. Weiglhofer; Russell F. Messier, Editor(s)

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