Spectroscopic Evidences of Eu–V Dipole Precipitation in KCl:Eu Crystals

H. Opyrchał, M. Manfredi

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4 Scopus citations

Abstract

KCl: Eu crystals thermally annealed at different temperatures or γ‐irradiated at 100°C are systematically studied by using optical (optical absorption, emission, and time decay luminescence) methods. It is found that the absorption and emission spectra of Eu ions are very sensitive to the precipitation form of the dopant ions. The results obtained are explained by assuming that high temperature (Tann > 200°C) annealing and γ‐irradiation at 100°C lead to formation of precipitates of EuCl2 type whereas low temperature (Tann = 100°C) annealing produces precipitates tentatively associated to the Suzuki‐like phase.

Original languageEnglish (US)
Pages (from-to)407-414
Number of pages8
Journalphysica status solidi (a)
Volume121
Issue number2
DOIs
StatePublished - Jan 1 1990
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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