Preparation and Properties of Sol-Gel Derived La-Doped PbTiO_3 Thin Films

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概要

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• Lanthanum-doped lead titanate thin films with perovskite phase were fabricated by sol-gel spin-on process. Effect of lanthanum doping on the crystal structure, film orientation, microstructure, and ferroelectric/dielectric properties of the films were studied. The films showed various degrees of (100) orientation, depending mainly on the substrate used and the La content. The addition of La caused changes in the film microstructure. Rosettes distributed in a matrix were observed for the (Pb_<0.7>La_<0.2>)TiO_3 films. The dielectric constant of the films generally increased with the increasing La content and the heating temperature. (Pb_<0.7>La_<0.2>)TiO_3 film heated at 800℃ has a dielectric constant of about 650.

• 社団法人応用物理学会の論文
• 1995-10-15

著者

• Shyu J‐j

  Tatung Inst. Technol. Taipei Twn

• Shyu Jiin-jyh

  Department Of Materials Engineering Tatung Institute Of Technology

• Mo Kom-lin

  Department Of Materials Engineering Tatung Institute Of Technology

関連論文

• Sol-Gel Derived Pb(Zr,Ti)O_3 Thin Films: Effects of PbTiO_3 Interlayer
• Preparation and Properties of Sol-Gel Derived La-Doped PbTiO_3 Thin Films

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