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Title: Measurement and simulation of anisotropy in the Infrared and Raman spectra of beta-FeSi2 single crystals
Author: Guizzetti, G.
Marabelli, F.
Patrini, M.
Pellegrino, Paolo
Pivac, B.
Miglio, L.
Meregalli, V.
Lange, H.
Henrion, W.
Tomm, V.
Keywords: Anisotropia
Efecte Raman
Espectre infraroig
Raman effect
Vibrational spectra
Issue Date: 1997
Publisher: The American Physical Society
Abstract: In this paper we show that the orthorhombic phase of FeSi2 (stable at room temperature) displays a sizable anisotropy in the infrared spectra, with minor effects in the Raman data too. This fact is not trivial at all, since the crystal structure corresponds to a moderate distortion of the fluorite symmetry. Our analysis is carried out on small single crystals grown by flux transport, through polarization-resolved far-infrared reflectivity and Raman measurements. Their interpretation has been obtained by means of the simulated spectra with tight-binding molecular dynamics.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 1997, vol. 55, núm. 21, p. 14290-14297
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ISSN: 0556-2813
Appears in Collections:Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

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