Latest developments of the spin-valve transistor

J.C. Lodder, D.J. Monsma, R.H. Mollema, T. Shimatsu, T. Shimatsu, R. Vlutters

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    Abstract

    The magnetic hysteresis associated with the magnetization reversal of the free layer in a spin valve is analysed. A model is proposed which assumes a single-domain behavior of the free layer, and a fixed magnetization of the pinned layer. The model is then developed in the framework of the Stoner¿Wohlfarth coherent rotation model, where geometrical solutions are obtained by the astroid method. According to the strength of the interlayer exchange coupling, the applied field direction and the anisotropy arrangement of the magnetic layers, a general classification of the hysteresis loops is proposed. Quantitative comparisons with experiments on spin valves (e.g. NiFe/Cu/NiFe/FeMn) are shown.
    Original languageEnglish
    Pages (from-to)159-159
    JournalJournal of magnetism and magnetic materials
    Volume175
    Issue number1-2
    DOIs
    Publication statusPublished - 1997
    Event1st Toyota Workshop on Magnetism and Magnetic Materials for High Density Information Storage 1997 - Brussels, Belgium
    Duration: 17 Apr 199718 Apr 1997

    Keywords

    • METIS-111892
    • IR-14965

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