Influence of γ‐Irradiation on Some Properties of NaCl: Eu++ Crystals (I). Optical and Dielectrical Characteristics of the Dopant Ions

M. Suszynska; H. Opyrchal; K. D. Nierzewski; B. Macalik; A. Gubanski

doi:10.1002/crat.2170210729

Influence of γ‐Irradiation on Some Properties of NaCl: Eu⁺⁺ Crystals (I). Optical and Dielectrical Characteristics of the Dopant Ions

M. Suszynska, H. Opyrchal, K. D. Nierzewski, B. Macalik, A. Gubanski

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Abstract

The present work opens a series of papers describing a variety of properties of the same material, and deals with the effect of Eu⁺⁺ ions, and y–irradiation on the optical and dielectrical characteristics of NaCl crystals. For nonirradiated crystals four types of Eu⁺⁺‐related absorption spectra have been identified and correlated with I.V. dipoles and three types of precipitates stable in the well aged crystals. For the solution—treated samples the effect of irradiation was to diminish the concentration of I.V. dipoles and to change the absorption spectrum in a remarkable way. These changes are explained in terms of the formation of some dopant—related clusters different of those obtainable thermally. No spectroscopic evidences have been obtained for the radiation—induced changes of the valence state of the dopant irrespective of its dispersion degree.

Original language	English (US)
Pages (from-to)	931-938
Number of pages	8
Journal	Crystal Research and Technology
Volume	21
Issue number	7
DOIs	https://doi.org/10.1002/crat.2170210729
State	Published - Jul 1986
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Chemistry
General Materials Science
Condensed Matter Physics

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title = "Influence of γ‐Irradiation on Some Properties of NaCl: Eu++ Crystals (I). Optical and Dielectrical Characteristics of the Dopant Ions",

abstract = "The present work opens a series of papers describing a variety of properties of the same material, and deals with the effect of Eu++ ions, and y–irradiation on the optical and dielectrical characteristics of NaCl crystals. For nonirradiated crystals four types of Eu++‐related absorption spectra have been identified and correlated with I.V. dipoles and three types of precipitates stable in the well aged crystals. For the solution—treated samples the effect of irradiation was to diminish the concentration of I.V. dipoles and to change the absorption spectrum in a remarkable way. These changes are explained in terms of the formation of some dopant—related clusters different of those obtainable thermally. No spectroscopic evidences have been obtained for the radiation—induced changes of the valence state of the dopant irrespective of its dispersion degree.",

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AU - Suszynska, M.

AU - Opyrchal, H.

AU - Nierzewski, K. D.

AU - Macalik, B.

AU - Gubanski, A.

PY - 1986/7

Y1 - 1986/7

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AB - The present work opens a series of papers describing a variety of properties of the same material, and deals with the effect of Eu++ ions, and y–irradiation on the optical and dielectrical characteristics of NaCl crystals. For nonirradiated crystals four types of Eu++‐related absorption spectra have been identified and correlated with I.V. dipoles and three types of precipitates stable in the well aged crystals. For the solution—treated samples the effect of irradiation was to diminish the concentration of I.V. dipoles and to change the absorption spectrum in a remarkable way. These changes are explained in terms of the formation of some dopant—related clusters different of those obtainable thermally. No spectroscopic evidences have been obtained for the radiation—induced changes of the valence state of the dopant irrespective of its dispersion degree.

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Influence of γ‐Irradiation on Some Properties of NaCl: Eu⁺⁺ Crystals (I). Optical and Dielectrical Characteristics of the Dopant Ions

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