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We demonstrated direct synthesis of graphene films consisting of a few layers (few-layered graphene) on sapphire substrates by liquid-phase growth (LPG), using liquid Ga as the melt and SiC micropowder as the source material. When the dissolution temperature was above 700°C, almost all Si atoms of SiC diffused into the Ga melt and only carbon atoms remained at the interface beneath the liquid Ga....
Growth of single-walled carbon nanotubes (SWCNTs) by alcohol catalytic chemical vapor deposition with the assistance of Pt as a catalyst is a useful technique because small-diameter SWCNTs are prepared under low ethanol pressure. In the study reported here, we carried out spectroscopy of X-ray absorption near-edge structure (XANES) to investigate the chemical bonding states of the Pt catalyst during...
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