Nanotech 2006 Vol. 1
Nanotech 2006 Vol. 1
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 1

Nanoparticle Processes & Applications Chapter 4

Lattice Constant Dependence on Particle Size for Bulk and Doped Ceria prepared from a Citrate Sol-Gel

Authors: V.N. Morris, R.A. Farrell, A.M. Sexton and M.A. Morris

Affilation: Analog Devices, Dimensional Solids Group, UCC, Ireland

Pages: 505 - 508

Keywords: ceria, lattice constant, citrate sol-gel, anion vacancies

High surface area ceria nanoparticles have been prepared using a citrate sol-gel precipitation method. Changes to the particle size have been made by calcining the ceria powders at different temperatures, and X-ray methods used to determine their lattice parameters. The particle sizes have been assessed using transmission electron microscopy (TEM) and the lattice parameter found to fall with decreasing particle size. The results are discussed in the light of the role played by surface tension effects.

ISBN: 0-9767985-6-5
Pages: 871
Hardcopy: $119.95

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