Engineering double-shifted hysteresis loops in Co/IrMn/Cu/Co films
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2009Autor
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Abstract
Co 3 nm /IrMn 15 nm /Cu dCu /Co 7 nm films were subjected to magnetic annealing where its temperature and duration as well as the direction and amplitude of the applied field were varied. We demonstrate that the exchange-bias field magnitude and sign of the subloop of the bottom-pinned Co layer can be tailored in a controlled manner allowing the whole hysteresis loop to be tuned from a double negatively/negatively shifted to a double negatively/positively shifted with the shifts of the subloops ...
Co 3 nm /IrMn 15 nm /Cu dCu /Co 7 nm films were subjected to magnetic annealing where its temperature and duration as well as the direction and amplitude of the applied field were varied. We demonstrate that the exchange-bias field magnitude and sign of the subloop of the bottom-pinned Co layer can be tailored in a controlled manner allowing the whole hysteresis loop to be tuned from a double negatively/negatively shifted to a double negatively/positively shifted with the shifts of the subloops in antiphase. ...
En
Applied physics letters. New York. Vol. 95, no. 11 (Sept. 2009), 112501, 3 p.
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