Journal of the Korean Physical Society

, Volume 66, Issue 9, pp 1327–1333 | Cite as

Temperature-electric-field phase diagram for Pb(Zn1/3Nb2/3)O3-PbTiO3 - concentration dependence of the critical endpoint -

  • Makoto Iwata
  • Ryo Nagahashi
  • Masaki Maeda
  • Yoshihiro Ishibashi
Article
  • 45 Downloads

Abstract

The temperature and the DC biasing-field dependences of the dielectric permittivities along the [001] c , [011] c , and [111] c directions of the pseudocubic coordinates have been investigated in Pb(Zn1/3Nb2/3)O3-x PbTiO3 (x = 6%). The temperature-electric-field phase diagrams have been clarified in the field range below 8 kV/cm. The critical endpoint has been found at 1.3 kV/cm and 164°C for an electric field applied along the [001] c direction. The concentration dependences of the critical temperature and the transition temperature are discussed. The expected transition temperature T 0 (x) at which the second-order phase transition would occur is shown to be determined by the transition temperature T CT (x) and the critical temperature T CEP (x).

Keywords

PZN Relaxor Ferroelectric Dielectric Permittivity Phase diagram Critical endpoint 

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Copyright information

© The Korean Physical Society 2015

Authors and Affiliations

  • Makoto Iwata
    • 1
  • Ryo Nagahashi
    • 1
  • Masaki Maeda
    • 1
  • Yoshihiro Ishibashi
    • 2
  1. 1.Department of Engineering Physics, Electronics and MechanicsGraduate School of Engineering, Nagoya Institute of TechnologyNagoyaJapan
  2. 2.Department of Applied PhysicsNagoya UniversityNagoyaJapan

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