Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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The dependent of growth temperature of piezoelectric SBN Thin Film by Metal Organic Decomposition Process and their properties

MOD 법에 의한 압전 SBN 박막의 성장 온도 의존성 및 특성

  • Kim, Kwang-Sik (Department of Materials Science and Engineering, Chung-Buk National University) ;
  • Jang, Gun-Ik (Department of Materials Science and Engineering, Chung-Buk National University) ;
  • Ur, Soon-Chul (Research Center for Sustainable ECo-Devices and Materials (ReSEM), Chung-ju National University)
  • Published : 2006.06.22
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Abstract

The tungsten bronze type of strontium barium niobate(SBN) thin film was synthesized by metal organic decomposion method for SBN stock solution and the SBN thin film process were deposited by spin-coating process on Pt-deposited si-wafer(100) by magnetron sputtering system. The thickness of SBN thin film was 150~200 nm and were optimized for rpm of spin-coater system. The structural variation of SBN thin film was studied by TG-DTA and XRD. The deposited SBN stock solution on annealing at $400{\sim}800^{\circ}C$ a pure tungsten bronze SBN phase and the corresponding. average grain size about 500~1000 nm influenced by annealing temperature. The piezoelectric properties of prepared SBN thin film, the remanent polarization value(2Pr) and coercive field was $1.2{\mu}C/cm^2$ and 2.15V/cm, respectively.

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