Parameter effect on the crystallization of Nd:yttrium aluminum garnet laser-ablated TiO<sub>2</sub> thin film

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<jats:p>Process parameter dependency on the phase transition from anatase to rutile phase of laser-ablated TiO<jats:sub>2</jats:sub> films was investigated. Lower ambient argon pressure, longer deposition time, higher laser fluence, and smaller target–substrate separation give rutile phase from anatase phase at comparatively lower temperature. The relationship between thickness and onset temperature of anatase–rutile transformation can be comprehensively explained in terms of film thickness. Thinner films have higher phase transition temperature. The presence of helium gas during deposition favors the anatase–rutile transition at a temperature lower than that expected from the above relationship.</jats:p>

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