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Metals and Materials

, Volume 4, Issue 1, pp 83–87 | Cite as

Effects of la concentration on the texturing and the electrical properties of sol-gel derived PLT thin films

  • Chaun-Gi Choi
  • Chang-Jung Kim
  • Dae-Sung Yoon
  • Joon-Sung Lee
  • Won-Jong Lee
  • Kwang-soo No
Article

Abstract

Lanthanum doped lead titanate (PLT) thin films consisting of different La concentrations were fabricated on Pt/Ti/SiO2/Si using sol-gel method. The films were dried at 440°C for 5 min and fired at 600°C using rapid thermal annealing (RTA) for 1min. The preferred orientation (texturing) and the morphology of the PLT film were changed with La concentration and a possible cause of the texturing has been discussed. The effects of La doping to the Lead titanate films on the dielectric constants, P-E hysteresis loop and pyroelectric coefficient were measured and discussed.

Key words

PLT thin film sol-gel RTA electrical properties 

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Copyright information

© Springer 1998

Authors and Affiliations

  • Chaun-Gi Choi
    • 1
  • Chang-Jung Kim
    • 1
  • Dae-Sung Yoon
    • 1
  • Joon-Sung Lee
    • 1
  • Won-Jong Lee
    • 1
  • Kwang-soo No
    • 1
  1. 1.Department of Materials Science and EngineeringKorea Advanced Institute of Science and TechnologyTaejonKorea

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