Microstructure and Optical Properties of AgxO Prepared by Direct-Current Magnetron-Sputtering Method |
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| Authors: | GAO Xiao-Yong LIU Xu-Wei WANG Song-You LIU Yu-Fen LIN Qing-Geng LU Jing-Xiao |
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| Affiliation: | The Key Lab of Materials Physics of Ministry of Education, Zhengzhou University, Zhengzhou 450052School of Physics and Engineering, Zhengzhou University, Zhengzhou 450052Department of Optical Science and Engineering, Fudan University, Shanghai 200433 |
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| Abstract: | Two series of AgxO films are prepared on glass substrates by dc magnetron-sputtering method at room temperature and 90°C under different oxygen to argon gas ratio (OAR) conditions. The microstructure is investigated by XRD and SEM in order to obtain the information on the component evolution ofAgO+Ag2O to Ag2O. Its optical properties are investigated by reflectance and absorption spectroscopy to extract the information on metallic and dielectric behaviour evolution of Ag2O, AgO and silver particles and the interband transition. The results indicate that the AgxO film prepared at room temperature is mainly made up of AgO and Ag2O clusters while Ag2O is the primary component of AgxO prepared at 90°C. The AgxO film mainly consisting of the primary component shows indirect interband transitionstructure occurring at 2.89eV. Combination of increasing OAR and substrate temperature is an effective method to lower the threshold of thermal decomposition temperature of AgxO and to deal with the bottleneck of short-wavelength optical and magneto-optical storage. |
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| Keywords: | 78 20 Ls 77 55 +f 78 20 -e |
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