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Alternative method to precipitation techniques for synthesizing yttrium oxide nanopowder
Division of Engineering Materials, Luleå University of Technology, Luleå, Sweden.
Division of Engineering Materials, Luleå University of Technology, Luleå, Sweden.ORCID iD: 0000-0002-2286-5588
2007 (English)In: Powder Technology, ISSN 0032-5910, E-ISSN 1873-328X, Vol. 177, no 2, 77-82 p.Article in journal (Refereed) Published
Abstract [en]

Yttrium oxide nano-powder has been successfully synthesized by a novel approach. In the first step, a foamy structure was produced by combustion synthesis using yttrium nitrate and glycine. This was followed by the addition of sulfate ions and calcination at 1100 °C for 4 h. The sulfated and unsulfated powders were characterized by X-ray powder diffraction (XRD), scanning electron microscope (SEM), transmission electron microscopy (TEM) and the Brunauer-Emmett-Teller method (BET). The sinterability of the resulting powders was also studied by dilatometry. The studies indicated that this method not only allows for producing weakly-agglomerated nano-particles, but is also a very time-efficient process in comparison to precipitation techniques. Moreover, the possibility of performing all processing steps in a fully automated batch reactor was also considered.

Place, publisher, year, edition, pages
Elsevier, 2007. Vol. 177, no 2, 77-82 p.
Keyword [en]
Y2O3; Powders-chemical preparation; Combustion synthesis; Sulfation
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-39706DOI: 10.1016/j.powtec.2007.02.045ISI: 000249269500004Local ID: 50886OAI: diva2:260555
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2013-10-02Bibliographically approved

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Odén, Magnus
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