High temperature Raman study of phase transitions in antiferroelectric NaNbO3

X. B. Wang, Z. X. Shen*, Z. P. Hu, L. Qin, S. H. Tang, M. H. Kuok

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

82 Scopus citations


The Raman spectra of antiferroelectric NaNbO3 have been studied at temperatures up to 480°C. Two phase transitions were observed, one at 376°C in consistence with the previous observations, and the other being a new phase transition at 190°C. There is no evident hysteresis for this transition, which indicates that the phase transition is of second order.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalJournal of Molecular Structure
Issue number1
StatePublished - Nov 22 1996
Externally publishedYes


  • Antiferroelectric
  • Curve fitting
  • Phase transition
  • Raman spectroscopy
  • Sodium niobate

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Inorganic Chemistry


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