High-temperature processing of Ba3ZnTa2O9: An in situ study using synchrotron X-ray powder diffraction

Phillip M. Mallinson; John B. Claridge; Matthew J. Rosseinsky; Richard M. Ibberson; Jonathan P. Wright; Andrew N. Fitch

doi:10.1021/cm071249j

High-temperature processing of Ba₃ZnTa₂O₉: An in situ study using synchrotron X-ray powder diffraction

Phillip M. Mallinson, John B. Claridge, Matthew J. Rosseinsky, Richard M. Ibberson, Jonathan P. Wright, Andrew N. Fitch

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14 Scopus citations

Abstract

In situ synchrotron X-ray powder diffraction is used to study the kinetics of cation ordering and ordered domain growth in the microwave dielectric electroceramic Ba₃ZnTa₂O₉ (BZT) with a time resolution of 15 s and processing temperatures of up to 1500°C. This permits the measurement of the activation energy for cation ordering and the identification of different mechanisms for ordered domain growth, associated with the formation of the Ba₈ZnTa₆O₂₄ impurity phase due to zinc loss.

Original language	English
Pages (from-to)	4731-4740
Number of pages	10
Journal	Chemistry of Materials
Volume	19
Issue number	19
DOIs	https://doi.org/10.1021/cm071249j
State	Published - Sep 18 2007
Externally published	Yes

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abstract = "In situ synchrotron X-ray powder diffraction is used to study the kinetics of cation ordering and ordered domain growth in the microwave dielectric electroceramic Ba3ZnTa2O9 (BZT) with a time resolution of 15 s and processing temperatures of up to 1500°C. This permits the measurement of the activation energy for cation ordering and the identification of different mechanisms for ordered domain growth, associated with the formation of the Ba8ZnTa6O24 impurity phase due to zinc loss.",

author = "Mallinson, {Phillip M.} and Claridge, {John B.} and Rosseinsky, {Matthew J.} and Ibberson, {Richard M.} and Wright, {Jonathan P.} and Fitch, {Andrew N.}",

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T2 - An in situ study using synchrotron X-ray powder diffraction

AU - Mallinson, Phillip M.

AU - Claridge, John B.

AU - Rosseinsky, Matthew J.

AU - Ibberson, Richard M.

AU - Wright, Jonathan P.

AU - Fitch, Andrew N.

PY - 2007/9/18

Y1 - 2007/9/18

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AB - In situ synchrotron X-ray powder diffraction is used to study the kinetics of cation ordering and ordered domain growth in the microwave dielectric electroceramic Ba3ZnTa2O9 (BZT) with a time resolution of 15 s and processing temperatures of up to 1500°C. This permits the measurement of the activation energy for cation ordering and the identification of different mechanisms for ordered domain growth, associated with the formation of the Ba8ZnTa6O24 impurity phase due to zinc loss.

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U2 - 10.1021/cm071249j

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ER -

High-temperature processing of Ba₃ZnTa₂O₉: An in situ study using synchrotron X-ray powder diffraction

Abstract

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