Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32781
Title: Low-temperature synthesis and analysis of barium titanate nanoparticles with excess barium
Authors: Qi, JQ
Sun, L
Wang, Y 
Chen, WP
Du, P
Xu, YG
Li, LT
Nan, CW
Chan, HLW 
Keywords: Ba/Ti ratio
BaTiO3
Excess barium
Nanoparticle
XRD
Issue Date: 2011
Publisher: Elsevier
Source: Advanced powder technology, 2011, v. 22, no. 3, p. 401-404 How to cite?
Journal: Advanced powder technology 
Abstract: BaTiO3 nanoparticles with excess barium are directly synthesized from solution at 65 °C. It is noted that a small amount of BaCO3 exists in the as-prepared samples. A series of standard mixtures with different proportion of BaTiO3 and BaCO3 are measured by XRD analysis to quantify the amount of BaCO3 in our synthesized samples. After a deduction of the amount of BaCO3, the concentration of excess barium in the lattice of BaTiO3 nanoparticles can be determined and the results show that the excess barium can reach a considerable concentration. The influences of defects and surfaces on BaTiO3 nanoparticles with excess barium are analyzed and two important reasons for the high concentration are also given.
URI: http://hdl.handle.net/10397/32781
ISSN: 0921-8831 (print)
1568-5527 (online)
DOI: 10.1016/j.apt.2010.06.007
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