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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.118  No.1380 (August) (2010)  >  pp.688-690

Journal of the Ceramic Society of Japan
<<Previous article Vol.118  No.1380 (August) (2010)   pp.688 - 690 Next article>>

Dispersion of barium titanate and strontium titanate nanocubes and their selective accumulations

Satoshi WADA1), Ai NOZAWA1), Shogo IWATSUKI1), Tetsuo KUWABARA1), Takahiro TAKEI1), Nobuhiro KUMADA1), Petr PULPAN1) and Hiroshi UCHIDA2)
1) Material Science and Technology, Interdisciplinary Graduate School of Medical and Engineering, University of Yamanashi
2) Department of Chemistry, Faculty of Science and Technology, Sophia University


  Barium titanate (BaTiO3, BT) and strontium titanate (SrTiO3, ST) nanocube particles were prepared by a solvothermal method. The prepared particles were collected by a centrifugal separator. The X-ray diffraction (XRD) measurement and a transmittance electron microscope (TEM) observation confirmed the formation of perovskite BT and ST nanocube particles with sizes of around 17 nm. These nanocube particles were monodistributed in hexane with tri-n-butylphosphine oxide (TBPO) as dispersant, separately, and then, the accumulations composed of the BT and ST nanocubes were built up using a selective catalytic reaction between 3-bromopropylphosphonic acid (BP) and aminomethylphosphonic acid (AM) as smart glue. The TEM observation confirmed that a part of accumulations showed a hetrointerface connection between BT and ST.


Keyword:
Barium titanate, Strontium titanate, Nanocube, Solvothermal method, Accumulation, Smart glue

Received: May 12, 2010
Accepted: July 15, 2010 , Published online: August 01, 2010
Copyright (c) 2010 The Ceramic Society of Japan

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