STRUCTURAL STATE MODELING OF AMORPHOUS TARKOSIL
Abstract
The paper presents a study of the structural state of silicon dioxide SiO2 (tarkosil) by the x-ray structural analysis and mathematical simulation. It is stated that Tarkosil nanopowders are in the amorphous state. The amorphous state model is presented for SiO2 and b- SiO2 lattices within the framework of molecular dynamics. It is shown that domains of amorphous phases SiO2 and b- SiO2 are stable. The quantification analysis of tarkosil using the Rietveld method shows that silicon dioxide comprises the mixture of SiO2 and b- SiO2. The dominant phase is amorphous SiO2. The structural parameters of phases are obtained, namely: optimized sizes of silicon dioxide domains and atomic arrangement.
About the Authors
YURI A. Abzaev
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
NATAL''YA O. Kopanitsa
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
VASILII A. Klimenov
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
YURII S. Sarkisov
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
NIKOLAI P. Gorlenko
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
OLGA V. Dem'yanenko
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
ALEKSEI P. Zavyalov
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Russian Federation
Russian Federation
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Review
For citations:
Abzaev Yu.A., Kopanitsa N.O., Klimenov V.A., Sarkisov Yu.S., Gorlenko N.P., Dem'yanenko O.V., Zavyalov A.P. STRUCTURAL STATE MODELING OF AMORPHOUS TARKOSIL. Vestnik of Tomsk state university of architecture and building. 2015;(3):121-133. (In Russ.)
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