High temperature visible spectroscopy of Co2+ ions in sodium phosphate glasses

Paul E. Gray, Lisa C. Klein

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The visible spectra of Co2+ in both polymer-like and network-like sodium phosphate glasses were studied at elevated temperatures. A plot of the Co2+ 4A24T1(P) absorption at 580 nm versus temperature showed a discontinuity at a temperature above the glass transition in each case. The discontinuity was attributed to an increase in non-bridging oxygens caused by thermal disruption of branching PO4-3 units.

Original languageEnglish (US)
Pages (from-to)75-82
Number of pages8
JournalJournal of Non-Crystalline Solids
Volume79
Issue number1-2
DOIs
StatePublished - Jan 1986

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

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