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Proceedings Paper

Synthesis and characterization of 10 mol% Dy2O3-doped ceria nanopowders via homogeneous precipitation
Author(s): Yarong Wang; Toshiyuki Mori; John Drennan; Ji-Guang Li; Yoshiyuki Yajima
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Paper Abstract

Nanoparticles of CeO2 doped with 10 mol% Dy2O3 have been synthesized via a homogeneous precipitation method, employing nitrates as the starting salts and hexamethylenetetramine (HMT) as the precipitant, which was achieved under ambient pressure and hydrothermal conditions, respectively. Characterizations of the powders were made by elemental analysis, differential thermal analysis/thermogravimetry (DTA/TG), X-ray diffractometry (XRD) and field-emission scanning electron microscopy (FESEM). The results show that an additional hydrothermal treatment affects significantly the powder properties, and well dispersed, nanocrystalline solid solution with expected dopant content was obtained under the reaction conditions.

Paper Details

Date Published: 16 February 2004
PDF: 9 pages
Proc. SPIE 5648, Smart Materials III, (16 February 2004); doi: 10.1117/12.582219
Show Author Affiliations
Yarong Wang, National Institute for Materials Science (Japan)
Toshiyuki Mori, National Institute for Materials Science (Japan)
John Drennan, Univ. of Queensland (Australia)
Ji-Guang Li, National Institute for Materials Science (Japan)
Yoshiyuki Yajima, National Institute for Materials Science (Japan)

Published in SPIE Proceedings Vol. 5648:
Smart Materials III
Alan R. Wilson, Editor(s)

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