Structural, electrical, and optical properties of sol-gel-processed thin films of BaTiO3 on ITO glass

Chan Hin Kam; Shi De Cheng; Yan Zhou; Kantisara Pita; X. Q. Han; Wenxiu Que; Hong Xi Zhang; Yee Loy Lam; Yuen Chuen Chan; Woon Siong Gan; Zhuo Sun; Xu Shi

doi:10.1117/12.370349

12 November 1999 Structural, electrical, and optical properties of sol-gel-processed thin films of BaTiO₃ on ITO glass

Chan Hin Kam, Shi De Cheng, Yan Zhou, Kantisara Pita, X. Q. Han, Wenxiu Que, Hong Xi Zhang, Yee Loy Lam, Yuen Chuen Chan, Woon Siong Gan, Zhuo Sun, Xu Shi

Author Affiliations +

Proceedings Volume 3896, Design, Fabrication, and Characterization of Photonic Devices; (1999) https://doi.org/10.1117/12.370349
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

BaTiO₃ thin films are prepared on ITO-coated Corning 1737 glass. The solution is prepared from a double metal ethoxide and the films are deposited by spin coating and annealing at 700°C for 2 hours in an O₂ atmosphere. The films are characterized using x-ray diffraction, atomic force microscopy, micro-raman, UV-VIS spectroscopy, and Sawyer-Tower Bridge. The pure perovskite phase of BaTiO₃ is identified by x-ray diffraction. The tetragonality is revealed from Raman study by identifying the symmetrical dependent Raman shift at about 306 cm^-1. The ferroelectricity of the film is confirmed by the P-E hysteresis loop. The films are highly transparent, with an absorption edge at 3.73eV. These desirable features indicate that the films have potential in electronic display and electro-optical applications.

Citation Download Citation

Chan Hin Kam, Shi De Cheng, Yan Zhou, Kantisara Pita, X. Q. Han, Wenxiu Que, Hong Xi Zhang, Yee Loy Lam, Yuen Chuen Chan, Woon Siong Gan, Zhuo Sun, and Xu Shi "Structural, electrical, and optical properties of sol-gel-processed thin films of BaTiO₃ on ITO glass", Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); https://doi.org/10.1117/12.370349

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