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Structure of sol-gel prepared ferroelectric Bi3.4La0.6Ti3O12

  • 1. Informatics: Dielectrics, Ferroelectrics, and Piezoelectrics
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Abstract

The Bi3.4La0.6Ti3O12 (BLT) thin film and powder have been prepared by a sol-gel method with annealing at 700∘C. Randomly oriented BLT thin film exhibits a large remanent polarization, 2P r = 72 μC/cm2, with a dc applied field strength of 320 kV/cm. Structure of sol-gel derived BLT powder has been investigated by neutron scatterings, and refined by a Rietveld method resulting a reasonable goodness of fit (wR p = 6.7%, and R p = 5.7%) using an orthorhombic (B2cb, a = 5.4221 Å, b = 5.4032 Å, and c = 32.8361 Å). Two different TiO6 octahedra exhibit different polarization directions; (100) from Ti(1)O6, and (011) from Ti(2)O6, which explains the observed large 2P r of the randomly oriented BLT thin film.

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Authors and Affiliations

  1. Changwon National University, Sarim-Dong 9, Changwon, Korea

    Sang Su Kim, Jun-Ki Chung, Mun Heum Park, Jong Kuk Kim & Won-Jeong Kim

  2. Hanyang University, Seoul, Korea

    Jae-Yong Kim

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  1. Sang Su Kim
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  2. Jun-Ki Chung
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  3. Mun Heum Park
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  4. Jong Kuk Kim
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  5. Jae-Yong Kim
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  6. Won-Jeong Kim
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Correspondence to Won-Jeong Kim.

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Kim, S.S., Chung, JK., Park, M.H. et al. Structure of sol-gel prepared ferroelectric Bi3.4La0.6Ti3O12 . J Electroceram 17, 151–155 (2006). https://doi.org/10.1007/s10832-006-5652-6

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  • DOI: https://doi.org/10.1007/s10832-006-5652-6

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