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Sintering kinetics of silica-titania sol-gel films on silicon wafers

Published online by Cambridge University Press:  31 January 2011

Xin Min Du  and
Rui M. Almeida
Xin Min Du
Affiliation:
INESC (IST), R. Alves Redol, 9-3°, 1000 Lisboa, Portugal
Rui M. Almeida
Affiliation:
INESC (IST), R. Alves Redol, 9-3°, 1000 Lisboa, Portugal
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Abstract

The sintering behavior of 80SiO2–20TiO2 sol-gel thin films on Si wafers, prepared by spin coating, was studied by the calculation of density as a function of temperature, from refractive index measurements and the Lorenz–Lorentz relationship. The sintering kinetics of the films were fit to the Mackenzie and Shuttleworth model, over the temperature range of 700 °C–850 °C. Using this model, the viscosity was determined as a function of temperature. These gel films sintered to full density at 850 °C.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 2 , February 1996 , pp. 353 - 357
Copyright
Copyright © Materials Research Society 1996

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