Crystal Structure and Ferroelectric Properties of Si Added SrBi2Ta2O9
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概要
- 論文の詳細を見る
We investigated a series of bulk, ceramic samples of Si-added bismuth layered-structure compounds, SBTS, prepared by alloying SrBi2Ta2O9 with Bi2SiO5 or Bi4Si3O12 using a solid-state reaction method. X-ray and neutron powder diffraction were carried out to determine the crystal structures. Structural information is correlated with the measured data of the ferroelectric properties. We find that remanent polarization and coercive electric field increase with the addition of Bi2SiO5 or Bi4Si3O12 in SrBi2Ta2O9. The dielectric constants of SBTS increase markedly with increasing temperature. It is found that the ferroelectric behavior is related to the distortion and tilting of the TaO6 octahedron that are effected by variations in Bi and Si contents, respectively, in the SBTS samples.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-06-15
著者
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Takahashi Tomoyuki
Department of Cardiology Regeneration&Advanced medical Science, Graduate School of Medicine, Gifu Un
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Loong Chun-k.
Intense Pulse Neutron Source Division Argonne National Laboratory
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Idemoto Yasushi
Department Of Industrial Chemistry Faculty Of Science And Technology Science University Of Tokyo
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Koura Nobuyuki
Department Of Industrial Chemistry Faculty Of Science And Technology Science University Of Tokyo
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Loong Chun-K.
Intense Pulse Neutron Source Division, Argonne National Laboratory, Argonne, IL 60439-4814, U.S.A.
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Idemoto Yasushi
Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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Takahashi Tomoyuki
Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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Koura Nobuyuki
Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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KOURA Nobuyuki
Department of Industrial and Engineering Chemistry, Faculty of Science and Technology, Tokyo University of Science
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IDEMOTO Yasushi
Department of Industrial and Engineering Chemistry, Faculty of Science and Technology, Tokyo University of Science
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