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Novel synthesis and characterization of rare-earth oxide nanoparticles
2008 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

A Novel synthesis method based on the behaviour and effect of the addition of chloride and sulphate for spheroidization of the structure of rare earth-oxide e.g. and were prepared from combustion synthesis at a temperature of. The compounds were later doped with at various percentages and calcined at for 4 hours. The crystallites size and the thermal stability of the doped powder were determined with X-ray and thermogravimetry respectively. Scanning Electron Microscopy was finally used to determine the morphology of the novel rare earth-oxides calcined at. Secondly, another set of doped compound were also calcined at a various temperatures for 4 hours and its crystallites size, thermal stability and morphology were also determined with X-ray, Thermogravimetry and Scanning Electron Microscopy. Finally, conclusion was drawn based on how the crystallites size changed with regard to percentage of at the calcinations temperature of and also at a various calcination temperatures with a fixed percentage of the doped. Lastly, the same techniques were applied to gadolinium oxide.

Place, publisher, year, edition, pages
Keyword [en]
Physics Chemistry Maths, nano-particles, spheriodization, earth-oxide, synthesis, thermogravimetry, calcinations, doping, morphology
Keyword [sv]
Fysik, Kemi, Matematik
URN: urn:nbn:se:ltu:diva-47969ISRN: LTU-PB-EX--08/016--SELocal ID: 5751e256-8bbe-4314-b045-0d7125348bffOAI: diva2:1021306
Subject / course
Student thesis, at least 30 credits
Educational program
Chemical Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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