Grain Growth in Nanocrystalline Yttrium-Stabilized Zirconia Thin Films Synthesized by Spin Coating of Polymeric Precursors
This article reports results of experimental studies on the microstructural evolution of nanocrystalline yttrium-stabilized zirconia thin films synthesized on a Si substrate via a polymeric precursor spincoating approach. Grain growth behavior has been investigated at different annealing temperatures (700-1200 °C) for periods of up to 240 h. A similar film thickness (~120 nm) was maintained for all of the samples used in this study, to avoid variation in film thickness-dependent grain growth. The effects of the thermal history of the film and the annealing atmosphere on the grain growth were also studied. A simple semiempirical grain growth model has been developed to describe isothermal annealing data and to predict dynamic grain growth behavior during the sintering of polymeric precursor layers to form cubic-phase nanocrystalline yttrium-stabilized zirconia films.
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Document Type: Research Article
Publication date: 2002-04-01
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