Cation ordering/disordering kinetics in Ba3 Co Nb2 O9: An in situ study using synchrotron x-ray powder diffraction

P. M. Mallinson; J. B. Claridge; M. J. Rosseinsky; R. M. Ibberson; J. P. Wright; A. N. Fitch; T. Price; D. M. Iddles

doi:10.1063/1.2817527

Cation ordering/disordering kinetics in Ba3 Co Nb2 O9: An in situ study using synchrotron x-ray powder diffraction

P. M. Mallinson, J. B. Claridge, M. J. Rosseinsky, R. M. Ibberson, J. P. Wright, A. N. Fitch, T. Price, D. M. Iddles

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Abstract

In situ synchrotron x-ray powder diffraction has been used to study the kinetics of cation ordering and disordering in the microwave dielectric electroceramic Ba3 Co Nb2 O9 with a time resolution of 15 s. The method enables the order/disorder temperature (Tod) in this material of 1430 °C to be directly observed. The changes in the rate and degree of cation ordering and in the growth of ordered domains between samples ordered from standard precursor material and then subsequently reordered following an annealing period above Tod show that small changes in precursor order state and phase assemblage strongly influence the final domain size.

Original language	English
Article number	222901
Journal	Applied Physics Letters
Volume	91
Issue number	22
DOIs	https://doi.org/10.1063/1.2817527
State	Published - 2007
Externally published	Yes

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title = "Cation ordering/disordering kinetics in Ba3 Co Nb2 O9: An in situ study using synchrotron x-ray powder diffraction",

abstract = "In situ synchrotron x-ray powder diffraction has been used to study the kinetics of cation ordering and disordering in the microwave dielectric electroceramic Ba3 Co Nb2 O9 with a time resolution of 15 s. The method enables the order/disorder temperature (Tod) in this material of 1430 °C to be directly observed. The changes in the rate and degree of cation ordering and in the growth of ordered domains between samples ordered from standard precursor material and then subsequently reordered following an annealing period above Tod show that small changes in precursor order state and phase assemblage strongly influence the final domain size.",

author = "Mallinson, {P. M.} and Claridge, {J. B.} and Rosseinsky, {M. J.} and Ibberson, {R. M.} and Wright, {J. P.} and Fitch, {A. N.} and T. Price and Iddles, {D. M.}",

year = "2007",

doi = "10.1063/1.2817527",

language = "English",

volume = "91",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

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T1 - Cation ordering/disordering kinetics in Ba3 Co Nb2 O9

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

AU - Mallinson, P. M.

AU - Claridge, J. B.

AU - Rosseinsky, M. J.

AU - Ibberson, R. M.

AU - Wright, J. P.

AU - Fitch, A. N.

AU - Price, T.

AU - Iddles, D. M.

PY - 2007

Y1 - 2007

N2 - In situ synchrotron x-ray powder diffraction has been used to study the kinetics of cation ordering and disordering in the microwave dielectric electroceramic Ba3 Co Nb2 O9 with a time resolution of 15 s. The method enables the order/disorder temperature (Tod) in this material of 1430 °C to be directly observed. The changes in the rate and degree of cation ordering and in the growth of ordered domains between samples ordered from standard precursor material and then subsequently reordered following an annealing period above Tod show that small changes in precursor order state and phase assemblage strongly influence the final domain size.

AB - In situ synchrotron x-ray powder diffraction has been used to study the kinetics of cation ordering and disordering in the microwave dielectric electroceramic Ba3 Co Nb2 O9 with a time resolution of 15 s. The method enables the order/disorder temperature (Tod) in this material of 1430 °C to be directly observed. The changes in the rate and degree of cation ordering and in the growth of ordered domains between samples ordered from standard precursor material and then subsequently reordered following an annealing period above Tod show that small changes in precursor order state and phase assemblage strongly influence the final domain size.

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VL - 91

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 22

M1 - 222901

ER -

Cation ordering/disordering kinetics in Ba3 Co Nb2 O9: An in situ study using synchrotron x-ray powder diffraction

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