Corn-shape carbon nanofibers with dense graphite synthesized by microwave plasma-enhanced chemical vapor deposition

Y. Hayashi, T. Tokunaga, T. Soga, T. Jimbo, Y. Yogata, S. Toh, K. Kaneko

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    19 Citations (Scopus)

    Abstract

    The characterization of bias-enhanced microwave plasma enhanced chemical vapor deposition (BE-PECVD) grown corn-shape carbon nanofibers (CCNF) was studied using transmission electron microscopy (TEM), scanning electron microscopy (SEM) and Raman spectroscopy. The system consisted of a 2.45 GHz, 1.5 kW microwave power supply with a rectangular waveguide that was coupled to a stainless cylindrical growth chamber and molybdenum substrate holder with a radio-frequency graphite heater. The growth period was about 10 minutes, and the CCNF lengths ranges from 0.4 to 1.1 μm depending on the substrate temperature. The results indicate that the optimum substrate temperature is above 550°C to grow.

    Original languageEnglish
    Pages (from-to)2886-2888
    Number of pages3
    JournalApplied Physics Letters
    Volume84
    Issue number15
    DOIs
    Publication statusPublished - Apr 12 2004

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)

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