Microstructure of Zirconia-Based Sol-Gel Glasses Studied by SANS

• Authors: V. Ryukhtin , P. Strunz , G. Kopitsa , K. Ezdakova , N. Gubanova , V. Ivanov , A. Baranchikov , B. Angelov , A. Feoktistov , V. Pipich , P. Levinský
• Languages of publication: EN

Abstracts

EN

Zirconia-based bulk glasses were prepared for the first time by sol-gel method. Such materials are very promising for application as photochromic devices, catalytic systems, chemical sensors, lasers and other nonlinear optics devices. Obtained transparent and semi-transparent materials were studied by small and ultra-small angle neutron scattering (SANS and USANS) methods. As evidenced by SANS, morphology of zirconia glasses is very sensitive to parameters of sol-gel synthesis, e.g. temperature and concentration of reactants. SANS data correlates rather well with surface porosity data. Increasing water concentration in reaction mixtures containing zirconium propylate leads to a significant increase in fractal cluster size, while decrease of the temperature results in an increase of the fractal dimension. The obtained results indicate that parameters of the microstructure and consequently physical properties of zirconia glasses can be effectively controlled by parameters of synthesis.

Keywords

EN

61.05.fg; 81.20.Fw; 81.05.Kf; 61.43.Fs

Discipline

• 61.05.fg: Neutron scattering (including small-angle scattering)
• 81.05.Kf: Glasses (including metallic glasses)
• 81.20.Fw: Sol-gel processing, precipitation(for reactions in sol-gels, see 82.33.Ln; for sol-gels as disperse system, see 82.70.Gg)
• 61.43.Fs: Glasses

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 128
• Issue: 4
• Pages: 582-584

Dates

published

2015-10

Contributors

author

V. Ryukhtin

• Nuclear Physics Institute ASCR v.v.i., Řež near Prague, 25068, Czech Republic

author

P. Strunz

• Nuclear Physics Institute ASCR v.v.i., Řež near Prague, 25068, Czech Republic

author

G. Kopitsa

• Petersburg Nuclear Physics Institute NRC KI, Orlova roscha 1, Gatchina 188300, Russia

author

K. Ezdakova

• Petersburg Nuclear Physics Institute NRC KI, Orlova roscha 1, Gatchina 188300, Russia

author

N. Gubanova

• Petersburg Nuclear Physics Institute NRC KI, Orlova roscha 1, Gatchina 188300, Russia

author

V. Ivanov

• Kurnakov Institute of General and Inorganic Chemistry of RAS, Moscow 119991, Russia
• National Research Tomsk State University, Lenin ave., 36, Tomsk, 634050, Russia

author

A. Baranchikov

• Kurnakov Institute of General and Inorganic Chemistry of RAS, Moscow 119991, Russia

author

B. Angelov

• Institute of Macromolecular Chemistry ASCR, v.v.i., Heyrovského nám. 2, Prague, 16200, Czech Republic

author

A. Feoktistov

• Jülich Centre for Neutron Science JCNS-FRM II, Lichtenbergstr. 1, Garching, 85747, Germany

author

V. Pipich

• Jülich Centre for Neutron Science JCNS-FRM II, Lichtenbergstr. 1, Garching, 85747, Germany

author

P. Levinský

• Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, Prague, 16600, Czech Republic

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Identifiers

DOI

10.12693/APhysPolA.128.582