14 February 2008 Formation of nanocarbon and composite materials by laser vaporization of graphite and eleven metals
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Abstract
Eleven metals were laser-vaporized with carbon into Ar gas, and the growth of various nanocabon and composite materials were investigated. Controlling the Ar gas pressure and the metal content for Fe, Co, Ni, Cu, and Ag enabled the high yield (~70%) fabrication of single-wall carbon nanohorn particles including metal- or carbide-containing carbon nanocapsules. With the use of B, multi-wall carbon nanotubes were grown with a high yield of ~50%. For Al, Si, La, Y, and Gd, products such as carbide particles, polyhedra, and sea-urchin-type single-wall carbon nanotubes were formed. We will discuss the growth of these structures based on metal-catalyzed graphitization together with thermal graphitization.
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Fumio Kokai, Fumio Kokai, Akira Koshio, Akira Koshio, Keita Kobayashi, Keita Kobayashi, Hiroshi Deno, Hiroshi Deno, } "Formation of nanocarbon and composite materials by laser vaporization of graphite and eleven metals", Proc. SPIE 6879, Photon Processing in Microelectronics and Photonics VII, 68791F (14 February 2008); doi: 10.1117/12.761065; https://doi.org/10.1117/12.761065
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