Enhanced characteristics of pulsed \DC\ sputtered ultrathin (< 2 nm) amorphous carbon overcoats on hard disk magnetic media
By Neeraj Dwivedi and Reuben J. Yeo and Partho S. Goohpattader and Nalam Satyanarayana and S. Tripathy and C.S. Bhatia
Published in Diamond and Related Materials
NULL
2015
Abstract
We report on the unusual tribological, surface and corrosion properties of ultrathin (~ 1.5 nm) amorphous carbon (a-C) overcoats, which have been grown on CoCrPt:oxide-based media using a facile pulsed direct current (DC) sputtering process. The a-C films produced by pulsed \DC\ sputtering are found to show low surface roughness (~ 1.5
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