Spectroscopic investigations of phosphate-borate-fluoride glass doped with Tb3 +/Eu3 +

D. Valiev, K. Belikov

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The luminescence of Li2O–B2O3–P2O5–CaF2 glass doped with Tb3 +/Eu3 + under electron beam excitation have been investigated in detail. The excitation spectra, photoluminescence (PL), pulse cathodoluminescence (PCL) and luminescence decay kinetics were analyzed. The energy transfer efficiency from Tb3 + to Eu3 + ions was found to increase at increased concentration of Eu3 + ions. As the concentration of europium grew, the luminescence quenching was observed. The energy transfer from Tb3 + to Eu3 + was observed to occur through level 5D4 of terbium ions. It is shown that the luminescence decay kinetics of terbium ions at 485, 544, 622 and 700 nm depends on europium concentration.

Original languageEnglish
Pages (from-to)31-35
Number of pages5
JournalJournal of Non-Crystalline Solids
Volume457
DOIs
Publication statusPublished - 1 Feb 2017

Fingerprint

Borates
borates
Fluorides
fluorides
Luminescence
phosphates
Phosphates
Terbium
Ions
luminescence
Europium
Glass
glass
terbium
europium
Energy transfer
ions
energy transfer
Kinetics
Cathodoluminescence

Keywords

  • Decay kinetics
  • Glass
  • Pulse cathodoluminescence
  • Rare earth ions

ASJC Scopus subject areas

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

Cite this

Spectroscopic investigations of phosphate-borate-fluoride glass doped with Tb3 +/Eu3 +. / Valiev, D.; Belikov, K.

In: Journal of Non-Crystalline Solids, Vol. 457, 01.02.2017, p. 31-35.

Research output: Contribution to journalArticle

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