Acta Photonica Sinica, Volume. 40, Issue 8, 1253(2011)

Growth and Field Emission Properties of Globe-like Diamond Microcrystalline-aggregate

GAO Jin-hai1...2,*, LI Zhen1, ZHANG Wu-Qin1 and ZHANG Bin-lin2 |Show fewer author(s)
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  • 1[in Chinese]
  • 2[in Chinese]
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    The globe-like diamond microcrystalline aggregates were grown in the different growing time by microwave plasma chemical vapor deposition method on the ceramic substrate with a Ti metal layer. The carbon films were evaluated by Raman scattering spectroscopy, X-ray diffraction spectrum, and scanning electron microscopy. The field emission properties were tested by using a diode structure in a vacuum. The growth mechanism of the carbon films and field emission properties of the globe-like diamond microcrystalline aggregates were discussed. It was found that different carbon films prepared by deposition time greatly changes in morphology, and field emission results also change a lot. The decrease of field enhancement factor and the growth of conductive channel are the main reasons for deterioration of the field emission effect.

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    GAO Jin-hai, LI Zhen, ZHANG Wu-Qin, ZHANG Bin-lin. Growth and Field Emission Properties of Globe-like Diamond Microcrystalline-aggregate[J]. Acta Photonica Sinica, 2011, 40(8): 1253

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    Paper Information

    Received: Mar. 30, 2011

    Accepted: --

    Published Online: Aug. 29, 2011

    The Author Email: Jin-hai GAO (gjhzjgxx@sina.com)

    DOI:10.3788/gzxb20114008.1253

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