Measurement and simulation of anisotropy in the Infrared and Raman spectra of beta-FeSi2 single crystals
Data(s) |
28/12/2009
28/12/2009
1997
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Resumo |
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. |
Formato |
8 p. application/pdf |
Identificador |
0556-2813 http://hdl.handle.net/2445/10598 521829 |
Idioma(s) |
eng |
Publicador |
The American Physical Society |
Relação |
Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.55.14290 Physical Review B, 1997, vol. 55, núm. 21, p. 14290-14297 |
Direitos |
(c) The American Physical Society, 1997 info:eu-repo/semantics/openAccess |
Palavras-Chave | #Anisotropia #Efecte Raman #Espectre infraroig #Cristalls #Anisotropy #Raman effect #Vibrational spectra #Crystals |
Tipo |
info:eu-repo/semantics/article |