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Dielectric properties of ferroelectric (Ba0.6Sr0.4)TiO3 thick films prepared by tape-casting

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

Thick BST films have been fabricated by a tape casting and firing method. Dielectric constants of BST films are changed from 5700 to 7000 at 1 MHz after focused beam annealing. Furthermore, surface morphologies and depth profile of chemistry have been altered after annealing. Especially, Sr atoms diffuse out to the surface, while Ba atoms diffuse into the center. The possibility of the surface alteration of the thick films have been clearly demonstrated in this study, which may applied for the integration of ferroelectrics and other dielectrics and/or conductors for low cost microwave tunable devices.

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Authors and Affiliations

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

    Sang Su Kim, Jun-Ki Chung & Won-Jeong Kim

  2. Korea Electrotechnology Research Institute, Changwon, Korea

    In-Sung Kim & Jae-Sung Song

  3. Geongsang National University, Jinju, Korea

    Cheol Jin Kim

Authors
  1. Sang Su Kim
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  2. Jun-Ki Chung
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  3. In-Sung 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., Kim, IS. et al. Dielectric properties of ferroelectric (Ba0.6Sr0.4)TiO3 thick films prepared by tape-casting. J Electroceram 17, 451–454 (2006). https://doi.org/10.1007/s10832-006-9765-8

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  • DOI: https://doi.org/10.1007/s10832-006-9765-8

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