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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Characterization and tribological testing of a carbon-based nanolayer prepared by ion beam assisted deposition
 Horažďovský, T. ; Kovač, J. ; Drbohlav, Ivo
Carbon-based nanolayers have been attracting much attention due to their excellent low-friction properties, their high hardness and their good wear resistance. In this work we present the results of material research aimed at reducing the friction of the functional surfaces of titanium implants, and thus extending their lifetime to reoperation. An analysis of the chemical composition showed that the modified surface is composed of a carbon-based nanolayer, a mixed interface, and a nitrogen-enriched sublayer. Raman spectroscopy showed the DLC character of the carbon-based nanolayer with sp2 rich bonds. A TiN compound was detected by X-ray diffraction in the modified surface area.\n
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Study of microcrystalline silicon by combined AFM microscope
 Mates, Tomáš ; Fejfar, Antonín ; Rezek, Bohuslav ; Fojtík, Petr ; Drbohlav, Ivo ; Luterová, Kateřina ; Pelant, Ivan ; Kočka, Jan
Recent results by combined AFM (topography and local conductivity) and correlation between microstructure and electrical properties of thin silicon films.
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