Temperature-dependent Raman scattering studies in NaNbO3 ceramics
โ Scribed by R. J. C. Lima; P. T. C. Freire; J. M. Sasaki; A. P. Ayala; F. E. A. Melo; J. Mendes Filho; K. C. Serra; S. Lanfredi; M. H. Lente; J. A. Eiras
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 144 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0377-0486
- DOI
- 10.1002/jrs.897
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## Abstract In this work, we report the lowโtemperature phase transition of sodium niobate (NaNbO~3~) ceramics at the antiferroelectricโferroelectric phase studied by the Raman scattering technique over the temperature range 10โ300 K. The spectral shape indicates that the phase transition occurs at