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Manipulating The Structural And Electrical Properties Of Zinc Oxide Thin Films By Changing The Sputtering Power Of Radio Frequency Magnetron Sputtering

Author

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  • YANG WANG

    (School of Engineering and Technology, China University of Geosciences, Beijing 100083, P. R. China†School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, P. R. China)

  • CHENGBIAO WANG

    (School of Engineering and Technology, China University of Geosciences, Beijing 100083, P. R. China)

  • ZHIJIAN PENG

    (School of Engineering and Technology, China University of Geosciences, Beijing 100083, P. R. China)

  • QI WANG

    (School of Engineering and Technology, China University of Geosciences, Beijing 100083, P. R. China†School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, P. R. China)

  • XIULI FU

    (School of Engineering and Technology, China University of Geosciences, Beijing 100083, P. R. China)

Abstract

Oxygen-deficient zinc oxides thin films with different levels of defects were prepared by using radio frequency magnetron sputtering method with sintered zinc oxide disk as target at different sputtering powers. The composition, structure and electrical properties of the prepared films were investigated. Under the present conditions, all the obtained films possessed würtzite structure, which were growing preferentially along the c-axis. The thickness of the films, the size of the zinc oxide grains and the content of Zn atoms increased with increasing sputtering power. In the films deposited at a sputtering power from 52W to 212W, the main defect was interstitial zinc. With increasing sputtering power, due to the enhanced number of interstitial zinc in the films, their room-temperature electrical resistivity would decrease, which was controlled by electron conduction. At increasing measurement temperature, their electrical resistivity would increase, owing to the decrease of defect concentration caused by oxidization.

Suggested Citation

  • Yang Wang & Chengbiao Wang & Zhijian Peng & Qi Wang & Xiuli Fu, 2017. "Manipulating The Structural And Electrical Properties Of Zinc Oxide Thin Films By Changing The Sputtering Power Of Radio Frequency Magnetron Sputtering," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 24(Supp01), pages 1-11, November.
    • Handle: RePEc:wsi:srlxxx:v:24:y:2017:i:supp01:n:s0218625x18500063
    DOI: 10.1142/S0218625X18500063
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