Synthesis, Characterization and Electrical Properties of Barium Titanate Films Fabricated by Hydrothermal Method

Jian Ling Zhao; Xiao Hui Wang; Long Tu Li; Xi Xin Wang; Yang Xian Li

doi:10.4028/www.scientific.net/KEM.368-372.47

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Preparation of Mg and Ti Co-Doped NiO-Based Ceramic and its High Dielectric Properties
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Liquid Phase Sintering of Barium Titanate Ceramics for High Energy Density Capacitors
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Effects of Processing on Microstructure and Dielectric Properties of Ultrafine- Grained Barium Titanate Based Ceramics for BME-MLCC Applications
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Preparation of Barium Strontium Titanate Nanopowders by a Sol-Gel Hydrothermal Synthesis Method
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 368-372Synthesis, Characterization and Electrical...

Synthesis, Characterization and Electrical Properties of Barium Titanate Films Fabricated by Hydrothermal Method

Abstract:

BaTiO3 films with a thickness up to 3 μm were fabricated under the hydrothermal conditions. It was found that the crystallinity of BaTiO3 increases with the concentration of Ba(OH)2 solutions. Along with the increasing of time, the crystallinity of BaTiO3 increases, reaches the maximum value and then decreases. The measured values of remanent polarization (Pr) and coercive field (Ec) are 1.74μC/cm2 and 24KV/cm. The leakage of the films at 1V is 10-7A/cm2. The dielectric constant and loss tangent of hydrothermal derived BaTiO3 film at a frequency of 1 KHz were 600 and 0.2, respectively.

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Key Engineering Materials (Volumes 368-372)

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47-49

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.368-372.47

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Online since:

February 2008

Authors:

Jian Ling Zhao, Xiao Hui Wang, Long Tu Li, Xi Xin Wang, Yang Xian Li

Keywords:

Barium Titanate (BT), Hydrothermal Method

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