Giant magnetoresistance in antiferromagnetic Co/Cu multilayers

S. S P Parkin, Z. G. Li, David Smith

    Research output: Contribution to journalArticlepeer-review

    547 Scopus citations

    Abstract

    We report giant values of saturation magnetoresistance in sputtered antiferromagnetic Co/Cu multilayers containing thin Co and Cu layers 8-10 Å thick. We discuss the key importance of the buffer layer in controlling the growth of flat Co and Cu layers. As shown by cross-section transmission electron microscopy high-quality structures are found for growth on Fe buffer layers. Such structures display saturation magnetoresistance at 300 K of more than 65% with saturation fields of ≃10 kOe. These values are several times larger than previously found for any magnetic material at room temperature.

    Original languageEnglish (US)
    Pages (from-to)2710-2712
    Number of pages3
    JournalApplied Physics Letters
    Volume58
    Issue number23
    DOIs
    StatePublished - 1991

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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