Nanodiamond embedded ta-C composite film by pulsed filtered vacuum arc deposition from a single target

Ajai Iyer, Jarkko Etula, Yanling Ge, Xuwen Liu, Jari Koskinen

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

2 Sitaatiot (Scopus)
147 Lataukset (Pure)

Abstrakti

Detonation Nanodiamonds (DNDs) are known to have sp3 core, sp2 shell, small size (few nm) and are gaining importance as multi-functional nanoparticles. Diverse methods have been used to form composites, containing DNDs embedded in conductive and dielectric matrices for various applications. Here we show a method, wherein DND-ta-C composite film, consisting of DNDs embedded in ta-C matrix have been co-deposited from the same cathode by pulsed filtered cathodic vacuum arc (p-FCVA) method. Transmission Electron Microscope (TEM) analysis of these films revel the presence of DNDs embedded in the matrix of amorphous carbon. Raman spectroscopy indicates that the presence of DNDs does not adversely affect the sp3 content of DND-ta-C composite film compared to ta-C film of same thickness. Nanoindentation and nanowear tests indicate that DND-ta-C composite films possess improved mechanical properties in comparison to ta-C films of similar thickness.
AlkuperäiskieliEnglanti
Artikkeli201905
Sivumäärä4
JulkaisuApplied Physics Letters
Vuosikerta109
Numero20
DOI - pysyväislinkit
TilaJulkaistu - marraskuuta 2016
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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