Abstract
Titania (TiO2) Films Having Dense and Solid Microstructure Were Prepared by Laser Chemical Vapor Deposition Using CO2 Laser. The Effects of Deposition Temperature (Tdep) and Total Chamber Pressure (Ptot) on Phase and Microstructure of TiO2 Films Were Investigated. At Ptot = 600 Pa and Tdep = 790 K, Rutile TiO2 Film Had a Polygonal Platelet Grains 2 μm in Size. At Ptot = 600 Pa and Tdep = 1010 K, Rutile TiO2 Film Had (110) Orientation and Consisted of a Truncated Polyhedron 5–6 μm in Size. At Ptot = 200 Pa and Tdep = 955 K, Rutile TiO2 Film Has a Solid Columnar Having Faceted Surface. A Dense and Solid TiO2 Film Was Obtained at Ptot = 200 Pa and Tdep = 1120 K. The Deposition Rate of TiO2 Solid Film Was Reached 240 μm h−1.
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