Silica gel-glasses doped with Cr-containing nanoparticles

Transparent silica glasses doped with heat-resistant luminescent nanoparticles with Cr 3+ ions in the “strong” octahedral crystal field at the sol stage have been synthesized through the direct sol-gel-glass transition. Their electron microscopy and luminescence spectral studies have been performed....

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Bibliographic Details
Published in:JETP letters 2008-02, Vol.88 (11), p.740-744
Main Authors: Malashkevich, G. E., Semkova, G. I., Semchenko, A. V., Pershukevich, P. P., Prusova, I. V.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Condensed Matter
Molecular
Optical and Plasma Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Solid State Physics
Spintronics
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Summary:Transparent silica glasses doped with heat-resistant luminescent nanoparticles with Cr 3+ ions in the “strong” octahedral crystal field at the sol stage have been synthesized through the direct sol-gel-glass transition. Their electron microscopy and luminescence spectral studies have been performed. It has been found that the nanoparticles incorporated in these glasses are subject to the isotropic compression by the matrix and to slight dissolution (due to the absence of the melt stage) when the optical Cr n + centers ( n = 3–6) are formed.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364008230082