Phase transformation in semi-transparent TiO<sub>2</sub> films irradiated with CO<sub>2</sub> laser期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Phase transformation in semi-transparent TiO₂ films irradiated with CO₂ laser

Authors:	Jorge Medina-Valtierra,Claudio Frausto-ReyesMartí n Ortiz-Morales

Affiliation:	^a Departamento de Ingeniería Química y Bioquímica, Instituto Tecnológico de Aguascalientes, Av. A. López Mateos Ote. No. 1801, Fracc. Bona Gens, Aguascalientes 20256, Mexico ^b Centro de Investigaciones en Óptica A.C., Unidad Aguascalientes. Prol. Constitución No. 607, Fracc. Reserva de Loma Bonita, Aguascalientes 20200, Mexico

Abstract:	Anatase (TiO₂) thin films were obtained by immersion of glass plates into a titanium sol-gel precursor followed by calcination at 450 °C for 3 h. The Raman results for the CO₂ laser irradiated TiO₂ films show that laser radiation is able to promote favorable changes of anatase phase in anatase/rutile mixtures. Nevertheless, the transformation process level depends on laser characteristics and scan speed of the radiation treatment.

Keywords:	TiO₂ films CO₂ laser Phase transformation Anatase/rutile mixtures
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