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In situ synthesis of nanocrystalline BaTiO3 particle–polymer hybrid

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Abstract

Nanocrystalline BaTiO3 particle–polymer hybrid was synthesized by polymerization and hydrolysis of [2-(methacryloxy)ethoxy]triisopropoxytitanium (MEPT) and barium alkoxide. The precursor for hybrid was synthesized from prepolymerized MEPT and barium alkokide, which was then hydrolyzed to form BaTiO3 particle–polymer hybrids below 100 °C. BaTiO3 particles increased in crystallinity when the amount of water for hydrolysis increased. The nanocrystalline particles were identified to be BaTiO3 by electron diffraction. Nanometer-sized BaTiO3 particle–polymer hybrid was shaped to a film with a dielectric constant of 8.2 at 10 kHz. A suspension consisting of the hybrid and silicone oil responded to a direct-current field, exhibiting a typical electrorheological behavior.

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Authors and Affiliations

  1. Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan

    Toshinobu Yogo, Tomoe Yamamoto, Wataru Sakamoto & Shin-ichi Hirano

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  1. Toshinobu Yogo
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  2. Tomoe Yamamoto
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  3. Wataru Sakamoto
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  4. Shin-ichi Hirano
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Correspondence to Toshinobu Yogo.

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Yogo, T., Yamamoto, T., Sakamoto, W. et al. In situ synthesis of nanocrystalline BaTiO3 particle–polymer hybrid. Journal of Materials Research 19, 3290–3297 (2004). https://doi.org/10.1557/JMR.2004.0418

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  • DOI: https://doi.org/10.1557/JMR.2004.0418

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