TEM study of the disorder-order perovskite, Pb(In1/2Nb1/2)O3

C. A. Randall; D. J. Barber; P. Groves; R. W. Whatmore

doi:10.1007/BF00540513

TEM study of the disorder-order perovskite, Pb(In_1/2Nb_1/2)O₃

C. A. Randall, D. J. Barber, P. Groves, R. W. Whatmore

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Abstract

A transmission electron microscopy study of the order-disorder perovskite Pb(In_1/2Nb_1/2)O₃ (PIN) has shown that its microstructures are dependent on the In: Nb B-site cation distribution. In disordered PIN the dielectric properties are those of a relaxor ferroelectric. Lowering the temperature of disordered PIN by means of a liquid nitrogen-cooled stage has been found to stabilize polar ferroelectric micro-domains, ∼ 20 to 30 nm in size. On increasing the long range order of the B-site cations to give ordered domains > 80 nm in size, an antiferroelectric phase is shown to develop that is isostructural with the antiferroelectric perovskite, PbZrO₃. Coexisting antiferroelectric and non-antiferroelectric regions have been observed in partially ordered PIN.

Original language	English (US)
Pages (from-to)	3678-3682
Number of pages	5
Journal	Journal of Materials Science
Volume	23
Issue number	10
DOIs	https://doi.org/10.1007/BF00540513
State	Published - Oct 1988

All Science Journal Classification (ASJC) codes

General Materials Science
Mechanics of Materials
Mechanical Engineering

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title = "TEM study of the disorder-order perovskite, Pb(In1/2Nb1/2)O3",

abstract = "A transmission electron microscopy study of the order-disorder perovskite Pb(In1/2Nb1/2)O3 (PIN) has shown that its microstructures are dependent on the In: Nb B-site cation distribution. In disordered PIN the dielectric properties are those of a relaxor ferroelectric. Lowering the temperature of disordered PIN by means of a liquid nitrogen-cooled stage has been found to stabilize polar ferroelectric micro-domains, ∼ 20 to 30 nm in size. On increasing the long range order of the B-site cations to give ordered domains > 80 nm in size, an antiferroelectric phase is shown to develop that is isostructural with the antiferroelectric perovskite, PbZrO3. Coexisting antiferroelectric and non-antiferroelectric regions have been observed in partially ordered PIN.",

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T1 - TEM study of the disorder-order perovskite, Pb(In1/2Nb1/2)O3

AU - Randall, C. A.

AU - Barber, D. J.

AU - Groves, P.

AU - Whatmore, R. W.

PY - 1988/10

Y1 - 1988/10

N2 - A transmission electron microscopy study of the order-disorder perovskite Pb(In1/2Nb1/2)O3 (PIN) has shown that its microstructures are dependent on the In: Nb B-site cation distribution. In disordered PIN the dielectric properties are those of a relaxor ferroelectric. Lowering the temperature of disordered PIN by means of a liquid nitrogen-cooled stage has been found to stabilize polar ferroelectric micro-domains, ∼ 20 to 30 nm in size. On increasing the long range order of the B-site cations to give ordered domains > 80 nm in size, an antiferroelectric phase is shown to develop that is isostructural with the antiferroelectric perovskite, PbZrO3. Coexisting antiferroelectric and non-antiferroelectric regions have been observed in partially ordered PIN.

AB - A transmission electron microscopy study of the order-disorder perovskite Pb(In1/2Nb1/2)O3 (PIN) has shown that its microstructures are dependent on the In: Nb B-site cation distribution. In disordered PIN the dielectric properties are those of a relaxor ferroelectric. Lowering the temperature of disordered PIN by means of a liquid nitrogen-cooled stage has been found to stabilize polar ferroelectric micro-domains, ∼ 20 to 30 nm in size. On increasing the long range order of the B-site cations to give ordered domains > 80 nm in size, an antiferroelectric phase is shown to develop that is isostructural with the antiferroelectric perovskite, PbZrO3. Coexisting antiferroelectric and non-antiferroelectric regions have been observed in partially ordered PIN.

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TEM study of the disorder-order perovskite, Pb(In_1/2Nb_1/2)O₃

Abstract

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