Quantitative determination of Eu2+ and Eu3+ content in (Eu,Y)-Si-Al-O-N glasses by magnetic measurements

D. De Graaf, H. T. Hintzen, G. De With, K. V. Ramanujachary, C. Lanci, S. E. Lofland

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This paper describes a method to determine the oxidation state of europium by means of magnetic measurements. The feasibility of this method is demonstrated using Eu-doped Y-Si-Al-O-N glasses as a model system. Magnetic measurements at (Eu,Y)-Si-Al-O-N glasses show that Eu is completely present as divalent ion for low Eu concentrations (Eu0.152Y 15.0Si14.7Al8.7O54.1N 7.4). At high Eu concentrations (Eu15.2Si 14.7Al8.7O54.1N7.4) a maximum of 5 at.% could be present as Eu3+.

Original languageEnglish (US)
Pages (from-to)693-696
Number of pages4
JournalSolid State Communications
Issue number11
StatePublished - Sep 2004

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry


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