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Anisotropic Optical Response in β-FeSi2 Single Crystals and Thin Films

Published online by Cambridge University Press:  15 February 2011

S. Bocelli
Affiliation:
INFM - Dipartimento di Fisica “A.Volta”, Università di Pavia, Via Bassi 6, I-27100 Pavia, Italy
G. Guizzetti
Affiliation:
INFM - Dipartimento di Fisica “A.Volta”, Università di Pavia, Via Bassi 6, I-27100 Pavia, Italy
F. Marabelli
Affiliation:
INFM - Dipartimento di Fisica “A.Volta”, Università di Pavia, Via Bassi 6, I-27100 Pavia, Italy
G. B. Parravicini
Affiliation:
INFM - Dipartimento di Fisica “A.Volta”, Università di Pavia, Via Bassi 6, I-27100 Pavia, Italy
M. Patrini
Affiliation:
INFM - Dipartimento di Fisica “A.Volta”, Università di Pavia, Via Bassi 6, I-27100 Pavia, Italy
W. Henrion
Affiliation:
Abteilung Photovoltaik, Hahn-Meitner-Institut Berlin GmbH, Rudower Chaussee 5, D-12489 Berlin, Germany.
H. Lange
Affiliation:
Abteilung Photovoltaik, Hahn-Meitner-Institut Berlin GmbH, Rudower Chaussee 5, D-12489 Berlin, Germany.
Y. Tomm
Affiliation:
Abteilung Solare Energetik, Hahn-Meitner-Institut Berlin GmbH, Ridower Chaussee 5, D-12489 Berlin, Germany.
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Abstract

Ellipsometric and reflectance spectroscopy in the range 1.4-5.0 eV as well as reflectance measurements in the infrared (10–80 meV) were performed on small single crystals of β FeSi2. The results show a clear anisotropy in the optical response which has been compared with theoretical calculations and data obtained on thin epitaxial films. Such a comparison gives evidence of the dependence of the optical response on the crystalline orientation of the film with respect to the surface.

Type
Research Article
Copyright
Copyright © Materials Research Society 1996

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References

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