Microstructure and dielectric properties of PZN-PT-BT relaxor ferroelectric ceramics

Xiaoli Wang; Zhengkui Xu; H. D. Chen

Microstructure and dielectric properties of PZN-PT-BT relaxor ferroelectric ceramics

Xiaoli Wang^*, Zhengkui Xu, H. D. Chen

^*Corresponding author for this work

International College of Semiconductor Technology

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

Paraelectric Ba(Zn_1/3Nb_2/3)O₃ (BZN) is realized as an implicit component in Pb(Zn_1/3Nb_2/3)O₃- PbTiO₃-BaTiO₃ (PZN-PT-BT), which decreases phase transition temperature and weakens dielectric properties. The dielectric behaviors under high electrical field have been investigated. In the broad temperature range of the diffuse phase transition, PZN-PT-BT ceramics show highly induced polarization. An unusual linear relation of the polarization with electrical field has been observed near the central portion of the hysteresis loops of some samples, which are both temperature and composition dependent. The observed ferroelectric properties may be understood using a model of PZN-based matrix containing ferroelectric PT and paraelectric BZN nano-phase regions.

Original language	English
Pages (from-to)	15-20
Number of pages	6
Journal	Key Engineering Materials
Volume	228-229
State	Published - 2 Dec 2002
Event	Asian Ceramic Science for Electronics II Proceedings of the 2nd Asian Meeting of Electroceramics - Kawasaki, Japan Duration: 1 Oct 2001 → 1 Oct 2001

Keywords

Dielectrics
Ferroelectric
Nano-Domains
Paraelectric
PZN-PT-BT
Relaxor

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@article{67411008242e41abae36921ad3a2c4fe,

title = "Microstructure and dielectric properties of PZN-PT-BT relaxor ferroelectric ceramics",

abstract = "Paraelectric Ba(Zn1/3Nb2/3)O3 (BZN) is realized as an implicit component in Pb(Zn1/3Nb2/3)O3- PbTiO3-BaTiO3 (PZN-PT-BT), which decreases phase transition temperature and weakens dielectric properties. The dielectric behaviors under high electrical field have been investigated. In the broad temperature range of the diffuse phase transition, PZN-PT-BT ceramics show highly induced polarization. An unusual linear relation of the polarization with electrical field has been observed near the central portion of the hysteresis loops of some samples, which are both temperature and composition dependent. The observed ferroelectric properties may be understood using a model of PZN-based matrix containing ferroelectric PT and paraelectric BZN nano-phase regions.",

keywords = "Dielectrics, Ferroelectric, Nano-Domains, Paraelectric, PZN-PT-BT, Relaxor",

author = "Xiaoli Wang and Zhengkui Xu and Chen, {H. D.}",

year = "2002",

month = dec,

day = "2",

language = "English",

volume = "228-229",

pages = "15--20",

journal = "Key Engineering Materials",

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note = "null ; Conference date: 01-10-2001 Through 01-10-2001",

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TY - JOUR

T1 - Microstructure and dielectric properties of PZN-PT-BT relaxor ferroelectric ceramics

AU - Wang, Xiaoli

AU - Xu, Zhengkui

AU - Chen, H. D.

PY - 2002/12/2

Y1 - 2002/12/2

N2 - Paraelectric Ba(Zn1/3Nb2/3)O3 (BZN) is realized as an implicit component in Pb(Zn1/3Nb2/3)O3- PbTiO3-BaTiO3 (PZN-PT-BT), which decreases phase transition temperature and weakens dielectric properties. The dielectric behaviors under high electrical field have been investigated. In the broad temperature range of the diffuse phase transition, PZN-PT-BT ceramics show highly induced polarization. An unusual linear relation of the polarization with electrical field has been observed near the central portion of the hysteresis loops of some samples, which are both temperature and composition dependent. The observed ferroelectric properties may be understood using a model of PZN-based matrix containing ferroelectric PT and paraelectric BZN nano-phase regions.

AB - Paraelectric Ba(Zn1/3Nb2/3)O3 (BZN) is realized as an implicit component in Pb(Zn1/3Nb2/3)O3- PbTiO3-BaTiO3 (PZN-PT-BT), which decreases phase transition temperature and weakens dielectric properties. The dielectric behaviors under high electrical field have been investigated. In the broad temperature range of the diffuse phase transition, PZN-PT-BT ceramics show highly induced polarization. An unusual linear relation of the polarization with electrical field has been observed near the central portion of the hysteresis loops of some samples, which are both temperature and composition dependent. The observed ferroelectric properties may be understood using a model of PZN-based matrix containing ferroelectric PT and paraelectric BZN nano-phase regions.

KW - Dielectrics

KW - Ferroelectric

KW - Nano-Domains

KW - Paraelectric

KW - PZN-PT-BT

KW - Relaxor

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M3 - Conference article

AN - SCOPUS:16744362237

VL - 228-229

SP - 15

EP - 20

JO - Key Engineering Materials

JF - Key Engineering Materials

SN - 1013-9826

Y2 - 1 October 2001 through 1 October 2001

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