Role of Sputtering Power on the Structural and Optical Properties of ZnO/SiO2 Films Deposited by Radio Frequency Magnetron Sputtering

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Abstract:

In the present work, we investigated the effect of sputtering power on the structural and optical properties of ZnO films by radio frequency (rf) magnetron sputtering. Atom force microscopy (AFM), X-ray diffraction (XRD) and Prism coupling method were adopted to investigate the structure and optical properties of ZnO thin films deposited by sputtering powers in the range from 100~150W. XRD and AFM results shown that ZnO films with high c-axis preferred orientation crystalline structures have been successfully deposited under higher sputtering power condition. Moreover, it was also found that the indexes refractive of the films obtained by higher sputtering power are less than that of the bulk ZnO materials, which is closer to Crystal Refractive index.

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Advanced Materials Research (Volumes 760-762)

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776-779

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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