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).
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Iwata, M., Nagahashi, R., Maeda, M. et al. Temperature-electric-field phase diagram for Pb(Zn1/3Nb2/3)O3-PbTiO3 - concentration dependence of the critical endpoint -. Journal of the Korean Physical Society 66, 1327–1333 (2015). https://doi.org/10.3938/jkps.66.1327
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DOI: https://doi.org/10.3938/jkps.66.1327