Effect of Cr underlayer on obliquely sputtered Co on PET substrate

L.T. Nguyen, A. Lisfi, P.L.K. Phan le kim, J.C. Lodder, Enrico G. Keim

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    Oblique deposition of magnetic films is often used for magnetic recording tape. The well known materials are Co and CoNi deposited by reactive evaporation with O/sub 2/ directly on a polymer substrate. However, for the next generation of high density media the desirable magnetic properties have not been achieved by this method. In our previous work, oblique sputtering of Co on a PET substrate resulted in a relative low H/sub c/, which mainly originates from shape anisotropy, as the films only consist of the fcc Co phase. In this paper, properties of sputtered Co on a Cr underlayer at an incident angle of 70/spl deg/ are reported. Microstructure and magnetic analyses of the Co layer reveal a strong influence of the Cr underlayer.
    Original languageUndefined
    Publication statusPublished - 2002
    Event2002 IEEE International Magnetics Conference, INTERMAG Europe 2002 - RAI Congress Center, Amsterdam, Netherlands
    Duration: 28 Apr 20022 May 2002


    Conference2002 IEEE International Magnetics Conference, INTERMAG Europe 2002
    Abbreviated titleINTERMAG Europe 2002


    • IR-55901

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