Investigation of Sol-Gel Glasses Doped with Lanthanide Ions by Spectroscopic, Acoustic, and Positron Annihilation Methods

• Authors: K. Jerie , A. Baranowski , J. Legendziewicz , M. Guzik , A. Burakowski , J. Gliński
• Languages of publication: EN

Abstracts

EN

The results of optical spectroscopic (UV-Vis, absorption, and emission), acoustic (sound velocity of precursor solutions, the solvation numbers of ions in these solutions), and positron annihilation of glasses are presented and discussed for silica glasses obtained by the alcoholic sol-gel technique, doped with selected lanthanides and with some addition of ethylene glycol. The aim of these investigations was the determination of the local structure of glass close to lanthanide ions and its influence on the optical properties of the material. The results show that the existence of alcohol-glycol solvates in glasses decrease the number of empty voids in its structure as well as the size of the remaining ones. One can suppose that this is caused by cooperative interactions of glycol molecules with the network of hydrogen bonds of the glass.

Keywords

EN

32.30.Jc; 43.35.Cg; 61.20.Qg; 61.25.Em; 62.60.+v; 78.70.Bj

Discipline

• 78.70.Bj: Positron annihilation(for positron states, see 71.60.+z in electronic structure of bulk materials; for positronium chemistry, see 82.30.Gg in physical chemistry and chemical physics)
• 32.30.Jc: Visible and ultraviolet spectra
• 61.25.Em: Molecular liquids
• 61.20.Qg: Structure of associated liquids: electrolytes, molten salts, etc.
• 62.60.+v: Acoustical properties of liquids(see also 43.35.+d in acoustics; 87.50.Y- Biological effects of acoustic and ultrasonic energy in biological and medical physics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2006
• Volume: 110
• Issue: 5
• Pages: 583-591

Dates

published

2006-11

received

2006-06-05

Contributors

author

K. Jerie

• Institute of Experimental Physics, University of Wrocław, pl. Maxa Borna 9, 50-204 Wrocław, Poland

author

A. Baranowski

• Institute of Experimental Physics, University of Wrocław, pl. Maxa Borna 9, 50-204 Wrocław, Poland

author

J. Legendziewicz

• Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

author

M. Guzik

• Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

author

A. Burakowski

• Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

author

J. Gliński

• Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.110.583