Optical Properties of Ca0.25Ba0.75Nb2O6 Thin Films Prepared by Spinning Coating

J Mater Sci Technol ›› 2011, Vol. 27 ›› Issue (9): 821-825.

• Thin Film and Coatings • Previous Articles Next Articles

Optical Properties of Ca_0.25Ba_0.75Nb₂O₆ Thin Films Prepared by Spinning Coating

Yuehua Wang, Min Zhang, Xinyin Zhao, Na Zhao

Department of Physics, China University of Mining and Technology, Xuzhou 221116, China

Received:2011-03-16 Revised:2011-07-09 Online:2011-09-28 Published:2011-09-28
Contact: Yuehua Wang
Supported by:
the Fundamental Research Funds for the Central Universities (2010LKWL06)

Abstract

Abstract: Ca_0.25Ba_0.75Nb₂O₆ (CBN25) thin film was prepared on quartz substrate by spinning coating and the optical properties were investigated by a Hitachi U-3410 spectrophotometer and a Metricon 2010 prism coupler. The optical band gap, thickness and refractive index at 632.8 nm of the CBN25 thin film were determined to be 3.65 eV, 529 nm and 2.2258, respectively. The dispersion of the refractive index fitted to Sellmeier relation well and optical waves could be guided into the thin film, which implied that CBN25 thin films were promising for integrated optics and optically active devices.

Key words: Ca_0.25Ba_0.75Nb₂O₆, Optical property, Spinning coating

Yuehua Wang, Min Zhang, Xinyin Zhao, Na Zhao. Optical Properties of Ca_0.25Ba_0.75Nb₂O₆ Thin Films Prepared by Spinning Coating[J]. J Mater Sci Technol, 2011, 27(9): 821-825.

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Optical Properties of Ca_0.25Ba_0.75Nb₂O₆ Thin Films Prepared by Spinning Coating

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