Role of oxygen exposure in different positions in the synthetic spin valves

Kebin Li*, Guchang Han, Jinjun Qiu, Ping Luo, Zaibing Guo, Yuankai Zheng, Yihong Wu

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    5 Scopus citations

    Abstract

    The magnetoresistance (MR) properties of a basic Ta/NiFe/IrMn/CoFe/Ru/CoFe/Cu/CoFe/Cu/Ta synthetic spin valves (SV) system was systematically studied by using O 2 -soaked layers in five different positions. It was found that the crystal structure does not significantly change at an optimized O 2 soaking dose (OSD) where the MR ratio was maximal. Results showed that increasing the spin-dependent coefficient and reducing the diffusion scattering coefficient either at the interface or within the ferromagnetic (FM) layers could enhance MR ratio.

    Original languageEnglish (US)
    Pages (from-to)7708-7710
    Number of pages3
    JournalJournal of Applied Physics
    Volume93
    Issue number10 3
    DOIs
    StatePublished - May 15 2003

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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