Journal
JOURNAL OF APPLIED CRYSTALLOGRAPHY
Volume 43, Issue -, Pages 1409-1414Publisher
WILEY-BLACKWELL
DOI: 10.1107/S002188981003342X
Keywords
sodium bismuth titanate; lead-free piezoelectric materials
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Funding
- EPSRC
- Advantage West Midlands
- European Regional Development Fund
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The potential lead-free piezoelectric material sodium bismuth titanate, Na0.5Bi0.5TiO3, was investigated by means of high-resolution single-crystal X-ray diffractometry. The splitting of Bragg peaks observed in the high-resolution reciprocal-space maps suggests that the average structure of Na0.5Bi0.5TiO3 has lower than rhombohedral symmetry. This observation is contrary to the commonly adopted model, which has followed from many previous analyses of neutron and X-ray powder diffraction data.
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