TiO2 thin films by ultrasonic spray pyrolysisChen, Zengjun; Dündar, Ibrahim; Oja Acik, Ilona; Mere, ArvoIOP conference series : materials science and engineering2019 / art. 012006, 7 p. : ill https://doi.org/10.1088/1757-899X/503/1/012006 Conference proceedings at Scopus Article at Scopus Article at WOS