IN-CONTACT MAGNETIC RECORDING PERFORMANCE OF PT/COCRTA THIN-FILMS ON GLASS COMPUTER DISKS

DJ Mapps, G Pan, MA Akhter, S Onodera, A Okabe

Research output: Contribution to journalConference proceedings published in a journalpeer-review

Abstract

CoCrTa films deposited on fcc Pt and Au underlayers show excellent c-axis orientation. The 'epitaxial-growth' mechanism may explain the origin of such an effect. The perpendicular MOKE and VSM coercivity, shape of hysteresis loops and contact recording results of such media are investigated and discussed together with the film structure. A first peak D50 of 160 kFRPI has been realized by a single-layer Pt/CoCrTa rigid disk using an in-contact MIG head.
Original languageEnglish
Pages (from-to)305-309
Number of pages0
JournalDefault journal
Volume120
Issue number0
Publication statusPublished - 1993
EventJournal of Magnetism and Magnetic Materials 1993 -
Duration: 1 Jan 1993 → …

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