Effects of Nb2O5 additive on the piezoelectric and dielectric properties of PHT-PMN ternary ceramics near the morphotropic phase boundary

Dawei Wang; Jinglin Li; Maosheng Cao; Shujun Zhang

doi:10.1002/pssa.201330203

Effects of Nb₂O₅ additive on the piezoelectric and dielectric properties of PHT-PMN ternary ceramics near the morphotropic phase boundary

Dawei Wang, Jinglin Li, Maosheng Cao, Shujun Zhang

Materials Research Institute (MRI)

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

25 Scopus citations

Abstract

Recently, a new family of piezoelectric perovskite materials, PbHfO ₃-PbTiO₃-Pb(Mg_1/3Nb_2/3)O ₃ (PHT-PMN) ternary system was developed, possessing good piezoelectric properties and high Curie temperature near the morphotropic phase boundary (MPB). Nb₂O₅, as a donor dopant in the perovskite piezoelectric systems has been used to improve the dielectric and piezoelectric properties. In this work, the effect of Nb₂O₅ addition in the PHT-PMN ternary system was reported. It was found that Nb doping led to the change of phase structure for the PHT-PMN system. With the addition of Nb ₂O₅ content, the ferroelectric polarization was reduced, while the electric-field-induced strain and hysteresis were enhanced significantly. In particular, the 0.2 wt% Nb₂O₅-doped PHT-PMN exhibited the optimum piezoelectric and electromechanical properties, with d₃₃ and k_p being on the order of 670 pC N ^-1 and of 71%, respectively.

Original language	English (US)
Pages (from-to)	226-230
Number of pages	5
Journal	Physica Status Solidi (A) Applications and Materials Science
Volume	211
Issue number	1
DOIs	https://doi.org/10.1002/pssa.201330203
State	Published - Jan 2014

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Electrical and Electronic Engineering
Materials Chemistry

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title = "Effects of Nb2O5 additive on the piezoelectric and dielectric properties of PHT-PMN ternary ceramics near the morphotropic phase boundary",

abstract = "Recently, a new family of piezoelectric perovskite materials, PbHfO 3-PbTiO3-Pb(Mg1/3Nb2/3)O 3 (PHT-PMN) ternary system was developed, possessing good piezoelectric properties and high Curie temperature near the morphotropic phase boundary (MPB). Nb2O5, as a donor dopant in the perovskite piezoelectric systems has been used to improve the dielectric and piezoelectric properties. In this work, the effect of Nb2O5 addition in the PHT-PMN ternary system was reported. It was found that Nb doping led to the change of phase structure for the PHT-PMN system. With the addition of Nb 2O5 content, the ferroelectric polarization was reduced, while the electric-field-induced strain and hysteresis were enhanced significantly. In particular, the 0.2 wt% Nb2O5-doped PHT-PMN exhibited the optimum piezoelectric and electromechanical properties, with d33 and kp being on the order of 670 pC N -1 and of 71%, respectively.",

author = "Dawei Wang and Jinglin Li and Maosheng Cao and Shujun Zhang",

year = "2014",

month = jan,

doi = "10.1002/pssa.201330203",

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T1 - Effects of Nb2O5 additive on the piezoelectric and dielectric properties of PHT-PMN ternary ceramics near the morphotropic phase boundary

AU - Wang, Dawei

AU - Li, Jinglin

AU - Cao, Maosheng

AU - Zhang, Shujun

PY - 2014/1

Y1 - 2014/1

N2 - Recently, a new family of piezoelectric perovskite materials, PbHfO 3-PbTiO3-Pb(Mg1/3Nb2/3)O 3 (PHT-PMN) ternary system was developed, possessing good piezoelectric properties and high Curie temperature near the morphotropic phase boundary (MPB). Nb2O5, as a donor dopant in the perovskite piezoelectric systems has been used to improve the dielectric and piezoelectric properties. In this work, the effect of Nb2O5 addition in the PHT-PMN ternary system was reported. It was found that Nb doping led to the change of phase structure for the PHT-PMN system. With the addition of Nb 2O5 content, the ferroelectric polarization was reduced, while the electric-field-induced strain and hysteresis were enhanced significantly. In particular, the 0.2 wt% Nb2O5-doped PHT-PMN exhibited the optimum piezoelectric and electromechanical properties, with d33 and kp being on the order of 670 pC N -1 and of 71%, respectively.

AB - Recently, a new family of piezoelectric perovskite materials, PbHfO 3-PbTiO3-Pb(Mg1/3Nb2/3)O 3 (PHT-PMN) ternary system was developed, possessing good piezoelectric properties and high Curie temperature near the morphotropic phase boundary (MPB). Nb2O5, as a donor dopant in the perovskite piezoelectric systems has been used to improve the dielectric and piezoelectric properties. In this work, the effect of Nb2O5 addition in the PHT-PMN ternary system was reported. It was found that Nb doping led to the change of phase structure for the PHT-PMN system. With the addition of Nb 2O5 content, the ferroelectric polarization was reduced, while the electric-field-induced strain and hysteresis were enhanced significantly. In particular, the 0.2 wt% Nb2O5-doped PHT-PMN exhibited the optimum piezoelectric and electromechanical properties, with d33 and kp being on the order of 670 pC N -1 and of 71%, respectively.

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Effects of Nb₂O₅ additive on the piezoelectric and dielectric properties of PHT-PMN ternary ceramics near the morphotropic phase boundary

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