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Mechanical and optical properties of SiO2 thin films deposited on glass

  • Lukáš Šimurka
  • Radim Čtvrtlík
  • Jan Tomaštík
  • Gence Bektaş
  • Jan Svoboda
  • Klaus Bange
Original Paper

Abstract

The optical and mechanical properties of amorphous SiO2 films deposited on soda-lime silicate float glass by reactive RF magnetron sputtering at room temperature were investigated in dependence of the process pressure. The densities of the films are strongly influenced by the process pressure and vary between 2.38 and 1.91 g cm−3 as the pressure changes from 0.27 to 1.33 Pa. The refractive indices of the films shift between 1.52 and 1.37, while the residual compressive stresses in the deposited films vary in the range from 440 to 1 MPa. Hardness and reduced elastic modulus values follow the same trend and decline with the increase of process pressure from 8.5 to 2.2 GPa and from 73.7 to 30.9 GPa, respectively. The abrasive wear resistance decreases with the density of the films.

Keywords

SiO2 films Glass Mechanical properties Refractive index Residual stress 

Notes

Acknowledgements

This work was supported by the Operational Programme Research, Development, and Education-European Regional Development Fund, project No. CZ.02.1.01/0.0/0.0/16_013/0001403 of the Ministry of Education, Youth and Sports of the Czech Republic. JS acknowledges the support from the European Regional Development Fund OPPK (CZ.2.16/3.1.00/21545).

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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2018

Authors and Affiliations

  1. 1.ŞİŞECAM Science and Technology CenterGebzeTurkey
  2. 2.Vitrum Laugaricio-Joint Glass Centre of the IIC SAS, TnU AD, and FChFT STUTrenčínSlovakia
  3. 3.Institute of Physics of the Czech Academy of SciencesJoint Laboratory of Optics of Palacký University and Institute of Physics AS CROlomoucCzech Republic
  4. 4.The Center for Solar Energy Research and Applications, Micro and NanotechnologyMiddle East Technical UniversityAnkaraTurkey
  5. 5.Institute of Macromolecular Chemistry AS CR, v. v. i.Prague 6Czech Republic
  6. 6.MK Consulting GmbHJugenheimGermany

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