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Ball milling is an effective way of producing defective and nanostructured graphite. In this work, graphite was milled under 3 bar hydrogen in a tungsten carbide milling pot, and the effect of milling conditions on the microstructure and hydrogen storage properties was investigated by TGA-Mass Spectrometry, XRD, SEM and Raman spectroscopy. After milling for 10 hours, 5.5 wt% hydrogen was released...
This paper reports on the production of carbon coatings onto a silicon substrate, using a lower power radiofrequency (RF) generator, combined with a plasma immersion ion implantation (PHI) driver. An RF, 13.6 MHz, generator operating at 30 W, was used to produce plasmas using a mix of C2H2 and H2 as feeding gas. In the experiments, a mirror polished silicon (100) substrate is exposed to the RF plasma...
Several nanoscale arrays of metallic, semiconductor, and organic carbon compounds (carbon nanopearls) have been fabricated on nanoporous flexible alumina and silicon templates based on a new self-assembly growth mode. They were obtained using pulsed laser deposition, thermal evaporation, e-beam evaporation, or RF magnetron sputtering. The different moieties that were observed include nanodomes and...
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