Effect of the Li2O

ZnO ratio on the kinetics of cathode luminescence and optical properties of phosphate glass activated by Dy 3+

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1 Citation (Scopus)

Abstract

Synthesis of glass system with the composition (mol. %) 50P 2O5-(50 - x)Li2O - xZnO + 5 wt % Dy 2O3 has been described. IR absorption spectra and the kinetics of cathodeluminescence at x ranges from 0 up to 50 has been investigated. With the replacement of Li by Zn, a decrease of the oxygen ions' packing density and the average phosphate chain length could be observed. The increase of the ZnO quantity in the glass composition results in the luminescence decay time decreased from 240 to 50 μs in the 481 and 573 nm bands: here, the branching coefficient for the 4F9/2 energy level undergoes changes. The luminescence kinetics are well described by the Inokyti-Hiroyama model for the dipole-dipole mechanism.

Original languageEnglish
Pages (from-to)138-143
Number of pages6
JournalGlass Physics and Chemistry
Volume40
Issue number2
DOIs
Publication statusPublished - 1 Jan 2014

Fingerprint

Luminescence
phosphates
Phosphates
Cathodes
Optical properties
cathodes
luminescence
dipoles
optical properties
Glass
Kinetics
glass
packing density
kinetics
oxygen ions
Chemical analysis
Chain length
Electron energy levels
Absorption spectra
energy levels

Keywords

  • decay kinetics
  • dysprosium ion
  • excitation energy transfer
  • luminescence
  • oxygen packing density
  • phosphate chain length
  • phosphate glass

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

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title = "Effect of the Li2O: ZnO ratio on the kinetics of cathode luminescence and optical properties of phosphate glass activated by Dy 3+",
abstract = "Synthesis of glass system with the composition (mol. {\%}) 50P 2O5-(50 - x)Li2O - xZnO + 5 wt {\%} Dy 2O3 has been described. IR absorption spectra and the kinetics of cathodeluminescence at x ranges from 0 up to 50 has been investigated. With the replacement of Li by Zn, a decrease of the oxygen ions' packing density and the average phosphate chain length could be observed. The increase of the ZnO quantity in the glass composition results in the luminescence decay time decreased from 240 to 50 μs in the 481 and 573 nm bands: here, the branching coefficient for the 4F9/2 energy level undergoes changes. The luminescence kinetics are well described by the Inokyti-Hiroyama model for the dipole-dipole mechanism.",
keywords = "decay kinetics, dysprosium ion, excitation energy transfer, luminescence, oxygen packing density, phosphate chain length, phosphate glass",
author = "Polisadova, {Elena Fedorovna} and Othman, {H. A.} and Lisitsyn, {V. M.}",
year = "2014",
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TY - JOUR

T1 - Effect of the Li2O

T2 - ZnO ratio on the kinetics of cathode luminescence and optical properties of phosphate glass activated by Dy 3+

AU - Polisadova, Elena Fedorovna

AU - Othman, H. A.

AU - Lisitsyn, V. M.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Synthesis of glass system with the composition (mol. %) 50P 2O5-(50 - x)Li2O - xZnO + 5 wt % Dy 2O3 has been described. IR absorption spectra and the kinetics of cathodeluminescence at x ranges from 0 up to 50 has been investigated. With the replacement of Li by Zn, a decrease of the oxygen ions' packing density and the average phosphate chain length could be observed. The increase of the ZnO quantity in the glass composition results in the luminescence decay time decreased from 240 to 50 μs in the 481 and 573 nm bands: here, the branching coefficient for the 4F9/2 energy level undergoes changes. The luminescence kinetics are well described by the Inokyti-Hiroyama model for the dipole-dipole mechanism.

AB - Synthesis of glass system with the composition (mol. %) 50P 2O5-(50 - x)Li2O - xZnO + 5 wt % Dy 2O3 has been described. IR absorption spectra and the kinetics of cathodeluminescence at x ranges from 0 up to 50 has been investigated. With the replacement of Li by Zn, a decrease of the oxygen ions' packing density and the average phosphate chain length could be observed. The increase of the ZnO quantity in the glass composition results in the luminescence decay time decreased from 240 to 50 μs in the 481 and 573 nm bands: here, the branching coefficient for the 4F9/2 energy level undergoes changes. The luminescence kinetics are well described by the Inokyti-Hiroyama model for the dipole-dipole mechanism.

KW - decay kinetics

KW - dysprosium ion

KW - excitation energy transfer

KW - luminescence

KW - oxygen packing density

KW - phosphate chain length

KW - phosphate glass

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