Comparative assessment of the influence of Nd3+ and Er3+ ions on the thermal quenching of Cu+ photoluminescence in phosphate glass

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Abstract

A comparative analysis was carried out on the influence of temperature on the photoluminescence (PL) of Cu+ ions in phosphate glass co-doped with either Nd3+ or Er3+. The data revealed a lower activation energy for the thermal quenching of Cu+ PL in the Nd3+-containing glass for Cu+ sites emitting in resonance with 4I9/24G5/2 + 2G7/2 absorption in Nd3+ ions. In contrast, a similar evaluation for the Cu+/Er3+ co-doped glass for Cu+ PL in resonance with relevant 4I15/24F9/2 Er3+ absorption produces results comparable to the reference glass without rare earth ions. The current results suggest that the efficient Cu+ → Nd3+ non-radiative transfer reported supports a deactivation of the resonant Cu+ emitting states with increasing temperature.

Original languageEnglish (US)
Pages (from-to)76-79
Number of pages4
JournalPhysica B: Condensed Matter
Volume553
DOIs
StatePublished - Jan 15 2019
Externally publishedYes

Keywords

  • Luminescence
  • Phosphate glasses
  • Rare earths
  • Thermal effects

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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