Assessing defect density and wear resistance of ultrathin diamond-like carbon films View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2002-06

AUTHORS

T.W. Scharf, J. Gong, G. Zangari, J.A. Barnard

ABSTRACT

Diamond-like carbon (DLC) films serve the dual purpose of protecting the magnetic underlayer from both slider contact and environmental corrosion in computer disk drives. Steadily increasing storage densities necessitate thinner and thinner protective films. Continuous, pinhole-free coverage of the magnetic medium is more difficult to achieve with thinner layers. Due to their sub-nanometer size, conventional techniques (SEM and AFM) are generally unable to detect pinholes. Therefore, we have utilized a novel pinhole-decoration technique (based on electrodeposition of Cu) to assess the coverage of very thin dual ion beam deposited nitrogen-doped DLC (N-DLC) films. The results of the decoration technique are compared with nanoscratch wear-resistance data. This combination of techniques demonstrates that, below 2 nm, the layer continuity and nanoscratch wear resistance of N-DLC films are severely compromised. More... »

PAGES

827-829

Journal

TITLE

Applied Physics A

ISSUE

6

VOLUME

74

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s003390201286

DOI

http://dx.doi.org/10.1007/s003390201286

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1034493499


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