Raman and infrared spectroscopy of Na0.5Bi0.5TiO3 - BaTiO3 ceramics |
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| Authors: | Jan Suchanicz Irena Jankowska-Sumara Tatiana V. Kruzina |
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| Affiliation: | (1) Institute of Physics, Pedagogical University, ul Podchorazych 2, 30-084 Krakow, Poland;(2) Department of Physics, Dniepropetrovsk National University, 13 Nauchnyi per, 49-050 Dniepropetrovsk, Ukraine |
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| Abstract: | Lead-free Na0.5Bi0.5TiO3 -BaTiO3 ceramics have been prepared in the whole range of concentrations and studied at room-temperature by means of X-ray, Raman scattering and infrared techniques. X-ray measurements revealed rhombohedral, rhombohedral-tetragonal boundaries and tetragonal modifacations depending on the contents of BaTiO3. The distinct changes of the Raman and infrared spectra with increasing of BaTiO3 content, which were correlated with X-ray results, were observed. The broad phonon spectra indicated the disorder in the A site of Na0.5Bi0.5TiO3 -BaTiO3 system. |
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