Prepazation of Ni/BaTiO3 Core-shell Particle by Spray Drying Process

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  • Sugimura Ken-ichi
    Engineering Department, Noritake Kizai Co., Limited
  • Thi My Diep Nguyen
    Chemistry and Chemical Engineering, Graduate School of Engineering, Hiroshima University
  • Iskandar Ferry
    Chemistry and Chemical Engineering, Graduate School of Engineering, Hiroshima University
  • Okuyama Kikuo
    Chemistry and Chemical Engineering, Graduate School of Engineering, Hiroshima University

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Other Title
  • 噴霧乾燥法によるＮｉ／ＢａＴｉＯ３コアシェル粒子の合成
  • フンム カンソウホウ ニ ヨル Ni BaTiO3 コアシェル リュウシ ノ ゴウセイ

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Ni/BaTiO3 core-shell particles were successfully prepared using a spray drying of a slurry precursor comprising Ni particles (100 nm) and BaTiO3 nanoparticles (20 nm) and butyl acetate. In the process, the precursor was atomized using an ultrasonic nebulizer to produce droplets, and subsequently the droplets were fed into a tubular furnace by a carrier gas for evaporating the dispersant. By controlling the pH of precursor, the furnace-temperature profile and the carrier gas flow rate, the Ni/BaTiO3 particles with a core-shell structure could be prepared. In order to characterize the prepared particles, a scanning electron microscopy and an X−ray diffractometer analysis were used.

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