Novel quantitative MFM technique to study orientation ratio in longitudinal recording media

E. T. Yen, T. Thomson, J. P. Chen, H. J. Richter, R. Y. Ranjan, G. C. Rauch

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A quantitative MFM technique to determine the magnetic orientation in longitudinal media at the microscopic level is described. The remanent magnetization orientation ratio measured by this MFM technique correlates well with the orientation ratio measured using a VSM. The analysis used to determine the orientation ratio from MFM images is based on the disorder noise model. The experimental results show that orientation is reflected in medium noise and interaction effects, as measured using the delta M technique.
    Original languageEnglish
    Pages (from-to)2330-2332
    Number of pages2
    JournalIeee Transactions on Magnetics
    Volume36
    Issue number5 I
    DOIs
    Publication statusPublished - Sept 2000

    Keywords

    • Delta M
    • MFM
    • Orientation ratio
    • VSM

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