Electron paramagnetic resonance and magnetic circular dichroism of Gd3+ ions in oxyfluoride glass–ceramics containing CaF2 nanocrystals

6533b821fe1ef96bd127c130

RESEARCH PRODUCT

Electron paramagnetic resonance and magnetic circular dichroism of Gd3+ ions in oxyfluoride glass–ceramics containing CaF2 nanocrystals

Uldis Rogulis M. Kemere A Fedotovs R. Ignatans Andris Antuzevics

subject

Chemistry Magnetic circular dichroism Analytical chemistry Condensed Matter Physics Electronic Optical and Magnetic Materials Ion law.invention Nanocrystal law Absorption band visual_art Materials Chemistry Ceramics and Composites visual_art.visual_art_medium Ceramic Electron paramagnetic resonance Low symmetry

description

Abstract Magnetic resonance investigations of the Gd3 + centre structure in the oxyfluoride glass and glass–ceramics (GCs) have been carried out. The electron paramagnetic resonance (EPR) measurements showed the presence of low symmetry Gd3 + centres in the glass sample. The cubic Gd3 + centre appeared in the glass–ceramics after heat treatment of the samples at temperatures above 650 °C. The magnetic circular dichroism (MCD) measurements of both glass and glass–ceramics showed wide absorption band around 310 nm. In the GC samples MCD–EPR of the cubic Gd3 + centre has been detected.

year	journal	country	edition	language
2015-12-01	Journal of Non-Crystalline Solids

https://doi.org/10.1016/j.jnoncrysol.2015.08.036

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