Anisotropy field measurements using an extended rotational remanence technique

Melvin Vopson, R. Cookson, P. Bissell

    Research output: Contribution to journalArticlepeer-review


    An extended method for anisotropy field measurements has been developed using a vector vibrating sample magnetometer (VSM). The technique, which relates the switching of particles nearly perpendicular to an applied field to the sample anisotropy, is suitable for magnetic media that contain orientated particles. Results measured as a function of angle are extrapolated to 90° for an improved measure of anisotropy field. In plane properties have been investigated for a series of four advanced double coated metal particle (MP) tapes. The results show that the in plane anisotropy field is related to the magnetic coating thickness, as a result of changes in magnetostatic interactions between the particles with thickness.
    Original languageEnglish
    Pages (from-to)759-762
    Number of pages4
    JournalPhysica Status Solidi (A) Applications and Materials Science
    Issue number3
    Publication statusPublished - Feb 2002


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