Tunable magnetic anisotropy of antiferromagnetic NiO in (Fe)/NiO/MgO/Cr/MgO(001) epitaxial multilayers
Scientific Reports(2023)
摘要
We report on the magnetic properties of antiferromagnetic NiO(001) thin films in epitaxially grown NiO/MgO( d MgO )/Cr/MgO(001) system for different thicknesses of MgO, d MgO . Results of X-ray Magnetic Linear Dichroism show that together with an increase of d MgO , rotation of NiO spins from in-plane towards out-of-plane direction occurs. Furthermore, we investigated how the proximity of Fe modifies the magnetic state of NiO in Fe/NiO/MgO( d MgO )/Cr/MgO(001). We proved the existence of a multidomain state in NiO as a result of competition between the ferromagnet/antiferromagnet exchange coupling and strain exerted on the NiO by the MgO buffer layer.
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关键词
Magnetic properties and materials,Surfaces,interfaces and thin films,Science,Humanities and Social Sciences,multidisciplinary
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