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Dielectric properties of Pb(Zn1/3Nb2/3)O3–PbZrO3–PbTiO3 system in the rhombohedral region near the morphotropic phase boundary

Published online by Cambridge University Press:  31 January 2011

X. P. Jiang ,
J. W. Fang ,
H. R. Zeng ,
G. R. Li ,
D. R. Chen  and
Q. R. Yin
X. P. Jiang
Affiliation:
Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
J. W. Fang
Affiliation:
Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
H. R. Zeng
Affiliation:
Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
G. R. Li
Affiliation:
Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
D. R. Chen
Affiliation:
Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
Q. R. Yin
Affiliation:
Laboratory of Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
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Abstract

A diffuse phase transition for Pb(Zn1/3Nb2/3)O3–PbZrO3–PbTiO3 (PZN-PZ-PT) system in the rhombohedral region near the rhombohedral/tetragonal morphotropic phase boundary (MPB) is reported in this paper. A thermal-driven macrodomain– microdomain switching was revealed and confirmed for compositions close to the MPB in the rhombohedral region after poling. Morever, the transition from rhombohedral phase to tetragonal phase was first revealed in the curves of dielectric permittivity (or dissipation factor) versus temperature. This rhombohedral–tetragonal phase transition resulted from the MPB bending toward the rhombohedral phase region and was confirmed by high-temperature x-ray diffraction.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 12 , December 2000 , pp. 2745 - 2749
Copyright
Copyright © Materials Research Society 2000

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References

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