Experimental evidences and driving mechanisms for anisotropic misalignments in exchange coupled systems |
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| Authors: | D T Dekadjevi T Jaouen D Spenato S P Pogossian J Ben Youssef |
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| Institution: | (1) Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran;(2) Department of Chemistry, Islamic Azad University, Shiraz Branch, Shiraz, Iran;(3) Department of Chemistry, Shahid Rajaee Teacher Training University, P.O. Box 16875-163, Tehran, Iran; |
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| Abstract: | Experimental evidence for misalignments between F anisotropy axes, AF anisotropy axes and the exchange bias field direction
is shown in a CoFe/Ni0.38O0.62 system. The angular dependence of the remanent magnetization, the exchange bias field and the coercive field is studied as
a function of the diluted NiO thickness. The exchange coupling leads to misalignments between the applied field during growth,
the exchange bias field and the coercive field directions. It shows that two different interfacial spin frustrations are present,
corresponding to pinned and unpinned spins contributions of the diluted NiO. |
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