Characterization of bismuth triborate single crystal using Brillouin and Raman spectroscopy by D. Kasprowicz, T. Runka, M. Szybowicz, P. Ziobrowski, A. Majchrowski, E. Michalski, and M. Drozdowski

Crystal Research and Technology

Cryst. Res. Technol. 40, 459 (2005) - Abstract -

Characterization of bismuth triborate single crystal using Brillouin and Raman spectroscopy

D. Kasprowicz, T. Runka, M. Szybowicz, P. Ziobrowski, A. Majchrowski*, E. Michalski*, and M. Drozdowski

Faculty of Technical Physics, Poznan University of Technology, Nieszawska 13 A, 60 - 965 Poznañ, Poland
*Institute of Applied Physics, Military University of Technology, Kaliskiego 2, 00 - 908 Warsaw, Poland

Keywords	bismut triborate crystal, BiB3O6, Brillouin scattering, Raman scattering
PACS	78.35.+c, 78.30.-j
DOI	10.1002/crat.200410367

The bismuth triborate (BiB₃O₆; BIBO) single crystal has been studied by Brillouin and Raman spectroscopy. Using Brillouin spectroscopy the propagation of the acoustic phonons in [100], [010], [001], [110] and [011] directions has been analyzed. The influence of birefringent and optical activity of BIBO crystal on some acoustic phonons has been discussed. The Raman spectra of the crystal in different scattering geometries have been recorded in the 50–1500 cm^-1 spectral range at room temperature. The number and symmetry of Raman active modes was determined on the basis of site symmetry group analysis.

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