Dielectric Anisotropy near Morphotropic Phase Boundary in Pb(Zn1/3Nb2/3)O3–$x$PbTiO3 Crystals
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概要
- 論文の詳細を見る
It was proposed that large dielectric constants in Pb(Zn1/3Nb2/3)O3–$x$PbTiO3 (PZN–$x$PT) crystals are mainly due to the fluctuation of polarization along the spherical direction (perpendicular to the spontaneous polarization) near the morphotropic phase boundary (MPB), named transversal instability [M. Iwata and Y. Ishibashi: in Ferroelectric Thin Films, ed. M. Okuyama and Y. Ishibashi (Springer, 2005) Part III, p. 127]. The dielectric anisotropy in the MPB region of PZN–$x$PT was investigated to clarify the origin of the large dielectric constant in perovskite-type relaxors. It was found that the dielectric constant perpendicular to the spontaneous polarization indicating transversal instability markedly increases as it approaches MPB. The dielectric anisotropy and large dielectric constant near the MPB were discussed in terms of the phenomenological theory.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-09-30
著者
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Aoyagi Rintaro
Department Of Engineering Physics Electronics And Mechanics Graduate School Of Engineering Nagoya In
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Sakakibara Kohei
Department Of Engineering Physics Electronics And Mechanics Graduate School Of Engineering Nagoya In
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Iwata Makoto
Department Of Applied Physics School Of Engineering Nagoya University
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Maeda Masaki
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Suzuki Ikuo
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Katsuraya Kohei
Department Of Engineering Physics Electronics And Mechanics Graduate School Of Engineering Nagoya In
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Ishibashi Yoshihiro
Department Of Applied Physics Graduate School Of Engineering Nagoya University
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Sakakibara Kohei
Department of Engineering Physics, Electronics and Mechanics, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan
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Katsuraya Kohei
Department of Engineering Physics, Electronics and Mechanics, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan
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