Phase Transition of (Na0.5Bi0.5)TiO3 ceramics

Koichiro TSUZUKU; Tomomi KOBAYASHI; Hiroshi KISHI; Shinici KRODA

doi:10.14853/pcersj.2005F.0.271.0

18th Fall Meeting of The Ceramic Society of Japan & 1st Asia-Oceania Ceramic Federation (AOCF) Conference

Session ID : 1PD18

DOI https://doi.org/10.14853/pcersj.2005F.0.271.0

Conference information

Host: The Ceramic Society of Japan

Phase Transition of (Na0.5Bi0.5)TiO3 ceramics

*Koichiro TSUZUKU, Tomomi KOBAYASHI, Hiroshi KISHI, Shinici KRODA

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Keywords: Lead free piezoelectric ceramics, XPS spectrum, Phase transition

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Abstract

High temperature XPS spectrum of (Na0.5,Bi0.5)TiO3 ceramics were observed to analyze the change in chemical state of individual ion. Three temperatures (80C, 220C and 520C) of change in relationship were observed. From the comparison with the electrical properties, the peak around 220C was assigned to Ferroelectric - Antiferroelectric transition. Also the peak around 520C will be related to Paraelectric transition. However, could not observe a relationship change around 330C. Which assigned to Antiferroelectric - Paraelectric transition based on electrical observations.

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