THE INFLUENCE OF DIFFERENT UNDERLAYERS ON THE MICROSTRUCTURE AND MAGNETIC-PROPERTIES OF VERY THIN COCR FILMS DEPOSITED BY RF-SPUTTERING ON GLASS COMPUTER DISKS

DJ Mapps, G Pan, MA Akhter

Research output: Contribution to journalArticlepeer-review

Abstract

Very thin CoCr films deposited on different kinds of underlayers on glass disk substrates were studied in order to understand the origin of underlayer effects. Nearly rectangular perpendicular magneto-optic Kerr effect (MOKE) loops were obtained from CoCr films on Ti, Au and Al underlayers on glass substrates and CoCr films on Si substrates. TEM electron diffraction studies of Ti(300 angstrom)/CoCr(160 angstrom) (which exhibits a rectangular loop) and Cr(300 angstrom)/CoCr (160 angstrom) films (which exhibits a poorly shaped perpendicular loop) showed that the texture of the CoCr film was dominated by the texture of its underlayer. The "epitaxial-growth" model applies to these films.
Original languageEnglish
Pages (from-to)4903-4905
Number of pages0
JournalDefault journal
Volume27
Issue number6
Publication statusPublished - 1991
EventIeee Transactions on Magnetics 1999 -
Duration: 1 Jan 1999 → …

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