Multiple dielectric transitions in the PbTiO3-Bi(Zn 1/2Ti1/2)O3-Bi(Mg1/2Ti 1/2)O3 system

David M. Stein; Ilya Grinberg; Andrew M. Rappe; Peter K. Davies

doi:10.1063/1.3646559

Multiple dielectric transitions in the PbTiO₃-Bi(Zn _1/2Ti_1/2)O₃-Bi(Mg_1/2Ti _1/2)O₃ system

David M. Stein, Ilya Grinberg, Andrew M. Rappe, Peter K. Davies

University of Pennsylvania

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

10 Scopus citations

Abstract

The ternary perovskite system PbTiO₃-Bi(Zn_1/2Ti _1/2)O₃-Bi(Mg_1/2Ti_1/2)O₃ was investigated in an attempt to capture the enhanced tetragonality of the PbTiO₃-Bi(Zn_1/2Ti_1/2)O₃ binary system at a morphotropic phase boundary (MPB) to improve piezoelectric performance. Results from the (1-x)[0.75 PbTiO₃-0.25Bi(Zn _1/2Ti_1/2)O₃]-(x)Bi(Mg_1/2Ti _1/2)O₃ pseudo-binary solution indicate the formation of an MPB-type phase boundary with a high T_C (585 C at x 0.55). Multiple dielectric transitions were observed in a region of the ternary diagram characterized by high occupancy of the A-site by Bi³⁺ (>40) and the B-site by ferroelectrically active cations (>70). Temperature-dependent diffraction studies revealed the persistence of a tetragonal structure in at least a subset of the crystal to the higher temperature dielectric transition.

Original language	English
Article number	074110
Journal	Journal of Applied Physics
Volume	110
Issue number	7
DOIs	https://doi.org/10.1063/1.3646559
State	Published - 1 Oct 2011
Externally published	Yes

Bibliographical note

Funding Information:
D.M.S. and P.K.D. were supported by the Office of Naval Research (ONR) through Grant No. N00014-09-1-0455. I.G. and A.M.R. were supported by the Office of Naval Research (ONR) under grant N00014-09-1-0157.

Funding

D.M.S. and P.K.D. were supported by the Office of Naval Research (ONR) through Grant No. N00014-09-1-0455. I.G. and A.M.R. were supported by the Office of Naval Research (ONR) under grant N00014-09-1-0157.

Funders	Funder number
Office of Naval Research	N00014-09-1-0157, N00014-09-1-0455

Access to Document

10.1063/1.3646559

Cite this

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title = "Multiple dielectric transitions in the PbTiO3-Bi(Zn 1/2Ti1/2)O3-Bi(Mg1/2Ti 1/2)O3 system",

abstract = "The ternary perovskite system PbTiO3-Bi(Zn1/2Ti 1/2)O3-Bi(Mg1/2Ti1/2)O3 was investigated in an attempt to capture the enhanced tetragonality of the PbTiO3-Bi(Zn1/2Ti1/2)O3 binary system at a morphotropic phase boundary (MPB) to improve piezoelectric performance. Results from the (1-x)[0.75 PbTiO3-0.25Bi(Zn 1/2Ti1/2)O3]-(x)Bi(Mg1/2Ti 1/2)O3 pseudo-binary solution indicate the formation of an MPB-type phase boundary with a high TC (585 C at x 0.55). Multiple dielectric transitions were observed in a region of the ternary diagram characterized by high occupancy of the A-site by Bi3+ (>40) and the B-site by ferroelectrically active cations (>70). Temperature-dependent diffraction studies revealed the persistence of a tetragonal structure in at least a subset of the crystal to the higher temperature dielectric transition.",

author = "Stein, {David M.} and Ilya Grinberg and Rappe, {Andrew M.} and Davies, {Peter K.}",

note = "Funding Information: D.M.S. and P.K.D. were supported by the Office of Naval Research (ONR) through Grant No. N00014-09-1-0455. I.G. and A.M.R. were supported by the Office of Naval Research (ONR) under grant N00014-09-1-0157.",

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AU - Rappe, Andrew M.

AU - Davies, Peter K.

N1 - Funding Information: D.M.S. and P.K.D. were supported by the Office of Naval Research (ONR) through Grant No. N00014-09-1-0455. I.G. and A.M.R. were supported by the Office of Naval Research (ONR) under grant N00014-09-1-0157.

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N2 - The ternary perovskite system PbTiO3-Bi(Zn1/2Ti 1/2)O3-Bi(Mg1/2Ti1/2)O3 was investigated in an attempt to capture the enhanced tetragonality of the PbTiO3-Bi(Zn1/2Ti1/2)O3 binary system at a morphotropic phase boundary (MPB) to improve piezoelectric performance. Results from the (1-x)[0.75 PbTiO3-0.25Bi(Zn 1/2Ti1/2)O3]-(x)Bi(Mg1/2Ti 1/2)O3 pseudo-binary solution indicate the formation of an MPB-type phase boundary with a high TC (585 C at x 0.55). Multiple dielectric transitions were observed in a region of the ternary diagram characterized by high occupancy of the A-site by Bi3+ (>40) and the B-site by ferroelectrically active cations (>70). Temperature-dependent diffraction studies revealed the persistence of a tetragonal structure in at least a subset of the crystal to the higher temperature dielectric transition.

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