Preparation of barium titanate nanoparticle sphere arrays and their dielectric properties |
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Authors: | Wada Satoshi Yazawa Aki Hoshina Takuya Kameshima Yoshikazu Kakemoto Hirofumi Tsurumi Takaaki Kuroiwa Yoshihiro |
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Affiliation: | Material Science and Technology, Interdisciplinary Graduate School of Medical and Engineering, University of Yamanashi, Kofu, Yamanashi 400-8510, Japan (e-mail: swada@yamanashi.ac.jp).; |
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Abstract: | Barium titanate (BaTiO3) nanoparticles from 27 to 192 nm were prepared by the 2-step thermal decomposition method from barium titanyl oxalate nanoparticles. These particles were dispersed well into 1-propanol, and dense BaTiO3 nanoparticle sphere arrays without stress-field were prepared by the meniscus method. Temperature dependence of dielectric properties was successfully measured using these dense nanoparticle sphere arrays, and size effect on dielectric properties was discussed. |
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