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Preparation of barium titanate nanoparticle sphere arrays and their dielectric properties

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7 Author(s)
Wada, S. ; Interdiscipl. Grad. Sch. of Med. & Eng., Univ. of Yamanashi, Yamanashi ; Yazawa, A. ; Hoshina, T. ; Kameshima, Y.
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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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Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:55 ,  Issue: 9 )