Magnetic field and temperature control over Pt/Co/Ir/Co/Pt multistate magnetic logic device

R. Morgunov A. Hamadeh 1 T. Fache 2 G. Lvova O. Koplak A. Talantsev S. Mangin 2
1 LNO - Laboratoire Nano-Magnétisme et Oxydes
SPEC - UMR3680 - Service de physique de l'état condensé, IRAMIS - Institut Rayonnement Matière de Saclay
Abstract : Magnetic configurations in Pt/Co/Ir/Co/Pt synthetic ferrimagnet bilayer of strong perpendicular anisotropy have been systematically studied. Magnetization versus field hysteresis loops have been measured for different temperatures ranging from 5 to 300 K. The applied field e temperature (H-T) magnetization switching diagram has been constructed by extracting the different switching fields as a function of temperature. This switching diagram can be well explained by considering the competition between energy barrier of layer's magnetization reversal, interlayer exchange coupling, and Zeeman energy.
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Submitted on : Monday, March 18, 2019 - 8:48:32 AM
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R. Morgunov, A. Hamadeh, T. Fache, G. Lvova, O. Koplak, et al.. Magnetic field and temperature control over Pt/Co/Ir/Co/Pt multistate magnetic logic device. Superlattices and Microstructures, Elsevier, 2017, 104, pp.509-517. ⟨10.1016/j.spmi.2017.02.033⟩. ⟨hal-02011673⟩

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