Dielectric and structural characterization of high-temperature ferroelectric xBi(Zn1/2Ti1/2)O3-yPbZrO 3-zPbTiO3 perovskite ternary solid solution

Akansha Dwivedi; Clive A. Randall

doi:10.1063/1.3553874

Dielectric and structural characterization of high-temperature ferroelectric xBi(Zn_1/2Ti_1/2)O₃-yPbZrO ₃-zPbTiO₃ perovskite ternary solid solution

Akansha Dwivedi
, Clive A. Randall

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

This paper reports the development of a new bismuth and lead oxide-based high-temperature ferroelectric ternary solid solution xBi(Zn _1/2Ti_1/2)O₃-yPbZrO₃-zPbTiO ₃ (xBZT-yPZ-zPT). Structural analysis has been carried out by XRD and SEM. A morphotropic phase boundary (MPB) between rhombohedral and tetragonal phases has been located on a pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] within the ternary phase diagram. Dielectric studies of various compositions along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been carried out in a wide range of temperatures from room temperature to 600 C, on both poled and unpoled samples. Compositions near the MPB exhibit high dielectric permittivity (∼23 000-28 000). Rhombohedral compositions show a diffuse phase transition with a small frequency dispersion. Based on the dielectric properties and differential scanning calorimetry, phase transition trends versus composition along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been demonstrated.

Original language	English (US)
Article number	074102
Journal	Journal of Applied Physics
Volume	109
Issue number	7
DOIs	https://doi.org/10.1063/1.3553874
State	Published - Apr 1 2011

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/1.3553874

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title = "Dielectric and structural characterization of high-temperature ferroelectric xBi(Zn1/2Ti1/2)O3-yPbZrO 3-zPbTiO3 perovskite ternary solid solution",

abstract = "This paper reports the development of a new bismuth and lead oxide-based high-temperature ferroelectric ternary solid solution xBi(Zn 1/2Ti1/2)O3-yPbZrO3-zPbTiO 3 (xBZT-yPZ-zPT). Structural analysis has been carried out by XRD and SEM. A morphotropic phase boundary (MPB) between rhombohedral and tetragonal phases has been located on a pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] within the ternary phase diagram. Dielectric studies of various compositions along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been carried out in a wide range of temperatures from room temperature to 600 C, on both poled and unpoled samples. Compositions near the MPB exhibit high dielectric permittivity (∼23 000-28 000). Rhombohedral compositions show a diffuse phase transition with a small frequency dispersion. Based on the dielectric properties and differential scanning calorimetry, phase transition trends versus composition along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been demonstrated.",

author = "Akansha Dwivedi and Randall, \{Clive A.\}",

note = "Funding Information: This work is supported in part by the National Science Foundation, as part of the Center for Dielectric Studies under Grant No. 0120812, and the Office of Naval Research under Grant No. N00014-05-1-0541. ",

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AU - Randall, Clive A.

N1 - Funding Information: This work is supported in part by the National Science Foundation, as part of the Center for Dielectric Studies under Grant No. 0120812, and the Office of Naval Research under Grant No. N00014-05-1-0541.

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N2 - This paper reports the development of a new bismuth and lead oxide-based high-temperature ferroelectric ternary solid solution xBi(Zn 1/2Ti1/2)O3-yPbZrO3-zPbTiO 3 (xBZT-yPZ-zPT). Structural analysis has been carried out by XRD and SEM. A morphotropic phase boundary (MPB) between rhombohedral and tetragonal phases has been located on a pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] within the ternary phase diagram. Dielectric studies of various compositions along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been carried out in a wide range of temperatures from room temperature to 600 C, on both poled and unpoled samples. Compositions near the MPB exhibit high dielectric permittivity (∼23 000-28 000). Rhombohedral compositions show a diffuse phase transition with a small frequency dispersion. Based on the dielectric properties and differential scanning calorimetry, phase transition trends versus composition along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been demonstrated.

AB - This paper reports the development of a new bismuth and lead oxide-based high-temperature ferroelectric ternary solid solution xBi(Zn 1/2Ti1/2)O3-yPbZrO3-zPbTiO 3 (xBZT-yPZ-zPT). Structural analysis has been carried out by XRD and SEM. A morphotropic phase boundary (MPB) between rhombohedral and tetragonal phases has been located on a pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] within the ternary phase diagram. Dielectric studies of various compositions along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been carried out in a wide range of temperatures from room temperature to 600 C, on both poled and unpoled samples. Compositions near the MPB exhibit high dielectric permittivity (∼23 000-28 000). Rhombohedral compositions show a diffuse phase transition with a small frequency dispersion. Based on the dielectric properties and differential scanning calorimetry, phase transition trends versus composition along the pseudobinary line 0.1BZT-0.9[(1-x)PZ-xPT] have been demonstrated.

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Dielectric and structural characterization of high-temperature ferroelectric xBi(Zn_1/2Ti_1/2)O₃-yPbZrO ₃-zPbTiO₃ perovskite ternary solid solution

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