Combustion synthesis of Y2O3 and Yb-Y2O3. Part I. Nanopowders and their characterization

R. V. Mangalaraja, J. Mouzon, P. Hedström, I. Kero, K. V.S. Ramam, Carlos P. Camurri, M. Odén

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84 Scopus citations

Abstract

Nanosized yttrium oxide and ytterbium doped yttrium oxide powders were prepared by ceramic combustion techniques such as flash combustion, citrate gel decomposition and glycine combustion using urea, citric acid and glycine respectively as fuels. As synthesized precursors and calcined powders were characterized for their structural, particle size and morphology, and the optimization of calcination process by differential scanning calorimetry and thermal gravimetry. The thermal analyses together with XRD results demonstrate the effectiveness of the combustion process for the synthesis of pure phase nanocrystalline powders. Nanocrystalline pure yttria powders were obtained by the calcination of as-prepared precursors at 1100 °C for 4 h.

Original languageEnglish
Pages (from-to)415-422
Number of pages8
JournalJournal of Materials Processing Technology
Volume208
Issue number1-3
DOIs
StatePublished - 21 Nov 2008
Externally publishedYes

Keywords

  • Combustion
  • Nanocrystalline powders
  • Synthesis
  • Ytterbium doped yttrium oxide

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