Precipitation of carbon nanoparticles encapsulating silicon carbide from molten oxide

Journal of Materials Research volume 13, pages2039–2041(1998)Cite this article

Abstract

A kind of fullerenes, carbon nanoparticle encapsulating β–SiC grain, was precipitated during cooling Al2O3–Y2O3 –CaO oxide melt containing SiC and C from 2023 K. The SiC grains with a diameter of 5–20 nm were covered with 2–4 graphitic carbon layers with the spacing of 0.34 nm as revealed by high resolution transmission electron microscopy. The result provides a new preparation method of carbon nanoparticles through a ceramic process, which contrasts with previous physical methods applying electric arc discharge or electron irradiation in vacuum.

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Affiliations

  1. National Institute for Research in Inorganic Materials, Tsukuba-shi, 305, Ibaraki, Japan

    Mamoru Mitomo

  2. Department of Materials Science and Engineering, Lehigh University, Bethlehem, 18015, Pennsylvania, USA

    Chong-Min Wang

  3. Research Center, Denki Kagaku Kogyo K. K., Machida, 194, Tokyo, Japan

    Hideyuki Emoto

Authors
  1. Mamoru Mitomo
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  2. Chong-Min Wang
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  3. Hideyuki Emoto
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Correspondence to Mamoru Mitomo.

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Mitomo, M., Wang, CM. & Emoto, H. Precipitation of carbon nanoparticles encapsulating silicon carbide from molten oxide. Journal of Materials Research 13, 2039–2041 (1998). https://doi.org/10.1557/JMR.1998.0285

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