Paper Title:
Sedimentation of Barium Titanate Nanoparticles in a Suspension under Application of an Electric Field
  Abstract

Barium titanate nanoparticle (BT-NP) suspensions were prepared by dispersing sol-gel-derived BT-NPs in ethylene glycol monomethyl ether (EGMME) under sonication. When an electric field was applied, a part of the BT-NPs in a suspension was deposited on the cathode by electrophoretically deposition and most of the rest of the BT-NPs settled down towards the bottom of a container. The concentration of BT-NPs in the lower part of the container (Cbottom) increased with time until the Cbottom reached a specific concentration (threshold concentration) at which sedimentation of BT-NPs start to occur. The threshold concentration of the nanoparticles sedimentation gave a significant influence upon the aspect of a BT-NPs deposit formed on the cathode.

  Info
Periodical
Edited by
K. Katayama, K. Kato, T. Takenaka, M. Takata and K. Shinozaki
Pages
11-14
DOI
10.4028/www.scientific.net/KEM.350.11
Citation
M. Arimura, T. Makino, K. Fujiyoshi, Y. Yamashita, M. Kuwabara, "Sedimentation of Barium Titanate Nanoparticles in a Suspension under Application of an Electric Field", Key Engineering Materials, Vol. 350, pp. 11-14, 2007
Online since
October 2007
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