Characterizing xBa (Mg1/3Ta2/3)O3+ (1-x) Ba (Mg1/3Nb2/3)O3 microwave ceramics using extended x-ray absorption fine structure method

P. J. Chang; C. T. Chia; I. N. Lin; J. F. Lee; C. M. Lin; K. T. Wu

doi:10.1063/1.2213514

Characterizing xBa (Mg_1/3Ta_2/3)O₃+ (1-x) Ba (Mg_1/3Nb_2/3)O₃ microwave ceramics using extended x-ray absorption fine structure method

P. J. Chang, C. T. Chia^*, I. N. Lin, J. F. Lee, C. M. Lin, K. T. Wu

^*Corresponding author for this work

Department of Physics

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

11 Citations (Scopus)

Abstract

The structures of Ta O6 and Nb O6 oxygen octahedra in xBa (Mg13 Ta23) O3 + (1-x) Ba (Mg13 Nb23) O3 perovskite ceramics with x=0, 0.25, 0.50, 0.75, and 1.0 were investigated by the extended x-ray absorption fine structure method. The decline in the microwave dielectric constant as x increases is caused mainly by the decrease of the mean volume of the oxygen octahedra, regardless of the 1:2 ordered structure and the distortion of the oxygen octahedron. The low Qf values of the Ta O6 and Nb O6 mixed samples are caused by not only the degrading of the 1:2 ordered structure but also the distortion of oxygen octahedral cages.

Original language	English
Article number	242907
Journal	Applied Physics Letters
Volume	88
Issue number	24
DOIs	https://doi.org/10.1063/1.2213514
Publication status	Published - 2006 Jun 12

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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@article{c5860dad195b481f81a7ce766434e293,

title = "Characterizing xBa (Mg1/3Ta2/3)O3+ (1-x) Ba (Mg1/3Nb2/3)O3 microwave ceramics using extended x-ray absorption fine structure method",

abstract = "The structures of Ta O6 and Nb O6 oxygen octahedra in xBa (Mg13 Ta23) O3 + (1-x) Ba (Mg13 Nb23) O3 perovskite ceramics with x=0, 0.25, 0.50, 0.75, and 1.0 were investigated by the extended x-ray absorption fine structure method. The decline in the microwave dielectric constant as x increases is caused mainly by the decrease of the mean volume of the oxygen octahedra, regardless of the 1:2 ordered structure and the distortion of the oxygen octahedron. The low Qf values of the Ta O6 and Nb O6 mixed samples are caused by not only the degrading of the 1:2 ordered structure but also the distortion of oxygen octahedral cages.",

author = "Chang, {P. J.} and Chia, {C. T.} and Lin, {I. N.} and Lee, {J. F.} and Lin, {C. M.} and Wu, {K. T.}",

note = "Funding Information: The authors would like to thank the National Science Council of the Republic of China, Taiwan, for financially supporting this research under Contract No. NSC 94-2112-M-003-007. ",

year = "2006",

month = jun,

day = "12",

doi = "10.1063/1.2213514",

language = "English",

volume = "88",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics Publising LLC",

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T1 - Characterizing xBa (Mg1/3Ta2/3)O3+ (1-x) Ba (Mg1/3Nb2/3)O3 microwave ceramics using extended x-ray absorption fine structure method

AU - Chang, P. J.

AU - Chia, C. T.

AU - Lin, I. N.

AU - Lee, J. F.

AU - Lin, C. M.

AU - Wu, K. T.

N1 - Funding Information: The authors would like to thank the National Science Council of the Republic of China, Taiwan, for financially supporting this research under Contract No. NSC 94-2112-M-003-007.

PY - 2006/6/12

Y1 - 2006/6/12

N2 - The structures of Ta O6 and Nb O6 oxygen octahedra in xBa (Mg13 Ta23) O3 + (1-x) Ba (Mg13 Nb23) O3 perovskite ceramics with x=0, 0.25, 0.50, 0.75, and 1.0 were investigated by the extended x-ray absorption fine structure method. The decline in the microwave dielectric constant as x increases is caused mainly by the decrease of the mean volume of the oxygen octahedra, regardless of the 1:2 ordered structure and the distortion of the oxygen octahedron. The low Qf values of the Ta O6 and Nb O6 mixed samples are caused by not only the degrading of the 1:2 ordered structure but also the distortion of oxygen octahedral cages.

AB - The structures of Ta O6 and Nb O6 oxygen octahedra in xBa (Mg13 Ta23) O3 + (1-x) Ba (Mg13 Nb23) O3 perovskite ceramics with x=0, 0.25, 0.50, 0.75, and 1.0 were investigated by the extended x-ray absorption fine structure method. The decline in the microwave dielectric constant as x increases is caused mainly by the decrease of the mean volume of the oxygen octahedra, regardless of the 1:2 ordered structure and the distortion of the oxygen octahedron. The low Qf values of the Ta O6 and Nb O6 mixed samples are caused by not only the degrading of the 1:2 ordered structure but also the distortion of oxygen octahedral cages.

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DO - 10.1063/1.2213514

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Characterizing xBa (Mg_1/3Ta_2/3)O₃+ (1-x) Ba (Mg_1/3Nb_2/3)O₃ microwave ceramics using extended x-ray absorption fine structure method

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