Dielectric study of phase transitions in Pb(Zn1/3Nb2/3)O3-PbTiO3

Makoto IWATA; Kohei SAKAKIBARA; Rintaro AOYAGI; Masaki MAEDA; Yoshihiro ISHIBASHI

doi:10.2109/jcersj2.117.954

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Dielectric study of phase transitions in Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃

Makoto IWATA, Kohei SAKAKIBARA, Rintaro AOYAGI, Masaki MAEDA, Yoshihiro ISHIBASHI

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Keywords: Pb(Zn_1/3Nb_2/3)O₃, Dielectric constant, Ferroelectricity, Morphotropic phase boundary, Relaxor

JOURNAL FREE ACCESS

2009 Volume 117 Issue 1369 Pages 954-957

DOI https://doi.org/10.2109/jcersj2.117.954

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Abstract

Phase transitions in Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ were investigated by means of the dielectric constant measurement under the zero-field heating after field cooling. A sharp phase transition between ferroelectric phases in Pb(Zn_1/3Nb_2/3)O₃ was confirmed to appear at 114°C, and to connect to the morphotropic phase boundary in the Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ solid solution system. It is therefore concluded that the phase transition between ferroelectric phases of Pb(Zn_1/3Nb_2/3)O₃ is the one between the tetragonal and rhombohedral phases.

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