Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.diamond.2006.07.020
DC FieldValue
dc.titleNovel hybrid facing targets sputtered amorphous carbon overcoat for ultra-high density hard disk media
dc.contributor.authorPoh, W.C.
dc.contributor.authorPiramanayagam, S.N.
dc.contributor.authorShi, J.R.
dc.contributor.authorLiew, T.
dc.date.accessioned2014-10-07T04:33:28Z
dc.date.available2014-10-07T04:33:28Z
dc.date.issued2007-02
dc.identifier.citationPoh, W.C., Piramanayagam, S.N., Shi, J.R., Liew, T. (2007-02). Novel hybrid facing targets sputtered amorphous carbon overcoat for ultra-high density hard disk media. Diamond and Related Materials 16 (2) : 379-387. ScholarBank@NUS Repository. https://doi.org/10.1016/j.diamond.2006.07.020
dc.identifier.issn09259635
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82785
dc.description.abstractAmorphous carbon films form a critical protective layer on magnetic hard disk media. A novel in-house configured hybrid facing targets sputtering (HyFTS) utilizing a special magnetron arrangement was used to deposit amorphous carbon (a-C) overcoats. The corrosion inhibition ability and mechanical property were investigated and compared with that of the a-C overcoats deposited by conventional magnetron sputtering (CMS). Studies were done using electrochemical techniques and nano-scratch analysis to determine how corrosion inhibition ability changes at thickness of 2 nm and 5 nm and the scratch resistance of the two types of a-C overcoats, respectively. Electrochemical impedance spectroscopy and potentiodynamic polarization investigations have shown that a-C films deposited by HyFTS have good corrosion resistance even at 2 nm thickness. But at 2 nm, CMS deposited a-C overcoat shows sign of corrosion. Nano-scratch test has also shown improved scratch resistance of the HyFTS deposited a-C. This may be attributed to the better quality film with higher sp3 content deposited by HyFTS as a result of it having a higher amount of ionized species generated. © 2006 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.diamond.2006.07.020
dc.sourceScopus
dc.subjectAmorphous carbon
dc.subjectCoatings
dc.subjectCorrosion
dc.subjectSputtering
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1016/j.diamond.2006.07.020
dc.description.sourcetitleDiamond and Related Materials
dc.description.volume16
dc.description.issue2
dc.description.page379-387
dc.description.codenDRMTE
dc.identifier.isiut000244512500033
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