Optical study on the phase transition of Pb0.92La0.08(Zr0.65Ti0.35)0.98O3

T. Asahi, Y. Itagaki, H. Utsumi, H. Yoshii, I. Kamiya, M. Ichiki, M. Takahashi, J. Kobayashi

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Optical gyration G, birefringence Δn and their electric-field E dependences of transparent ceramics of Pb0.92La0.08(Zr0.65Ti0.35)0.98O3 were studied by using high accuracy universal polarimeter (HAUP) in a temperature range between 10°C and 130°C. The high-temperature phase manifested neither spontaneous nor induced G, while the low-temperature phase did characteristic hysteresis loops of G and Δn with respect to E. Group-theoretical consideration of gyro-optical properties of both phases led us to the conclusion that the high- and low-temperature phases are cubic Th and trigonal C3, the same as found in Pb0.92La0.08(Zr0.70Ti0.30)0.98O3 ceramics. The free-energy function of both phases was determined by using these electro-optic effects. It is found that both ceramics undergo the same phase transition and manifest similar dielectric and optical properties.

Original languageEnglish
Pages (from-to)459-469
Number of pages11
Volume208 /209
Issue number1 /4,1/2
Publication statusPublished - 1998 Jan 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Asahi, T., Itagaki, Y., Utsumi, H., Yoshii, H., Kamiya, I., Ichiki, M., Takahashi, M., & Kobayashi, J. (1998). Optical study on the phase transition of Pb0.92La0.08(Zr0.65Ti0.35)0.98O3. Ferroelectrics, 208 /209(1 /4,1/2), 459-469. https://doi.org/10.1080/00150199808014893