Fluorescence of Gd+++ in Alkali Halide Crystals

A. Mustachi; R. Reisfeld; A. Glasner

doi:10.1002/ijch.196900083

Fluorescence of Gd⁺⁺⁺ in Alkali Halide Crystals

A. Mustachi^*, R. Reisfeld, A. Glasner

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

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Abstract

Crystals of potassium chloride and potassium bromide containing trivalent gadolinium were prepared from the melt and also by heating the powdered anhydrous mixtures at 600°C. Their fluorescence spectra consisted of four sharp lines around 3114.3 Å and 3115.1 Å respectively. A single mode of charge compensation for the substituted Gd³⁺ ion with a D₃h or C_2v symmetry is proposed. Lifetimes of the fluorescence of these doped crystals as well as of pure GdCl₃ and GdBr_s are of the order of a few msec.

Original language	English
Pages (from-to)	627-632
Number of pages	6
Journal	Israel Journal of Chemistry
Volume	7
Issue number	5
DOIs	https://doi.org/10.1002/ijch.196900083
State	Published - 1969

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author = "A. Mustachi and R. Reisfeld and A. Glasner",

year = "1969",

doi = "10.1002/ijch.196900083",

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AU - Mustachi, A.

AU - Reisfeld, R.

AU - Glasner, A.

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N2 - Crystals of potassium chloride and potassium bromide containing trivalent gadolinium were prepared from the melt and also by heating the powdered anhydrous mixtures at 600°C. Their fluorescence spectra consisted of four sharp lines around 3114.3 Å and 3115.1 Å respectively. A single mode of charge compensation for the substituted Gd3+ ion with a D3h or C2v symmetry is proposed. Lifetimes of the fluorescence of these doped crystals as well as of pure GdCl3 and GdBrs are of the order of a few msec.

AB - Crystals of potassium chloride and potassium bromide containing trivalent gadolinium were prepared from the melt and also by heating the powdered anhydrous mixtures at 600°C. Their fluorescence spectra consisted of four sharp lines around 3114.3 Å and 3115.1 Å respectively. A single mode of charge compensation for the substituted Gd3+ ion with a D3h or C2v symmetry is proposed. Lifetimes of the fluorescence of these doped crystals as well as of pure GdCl3 and GdBrs are of the order of a few msec.

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ER -

Fluorescence of Gd⁺⁺⁺ in Alkali Halide Crystals

Abstract

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