Tunable magnetic anisotropy of antiferromagnetic NiO in (Fe)/NiO/MgO/Cr/MgO(001) epitaxial multilayers,Scientific Reports

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Tunable magnetic anisotropy of antiferromagnetic NiO in (Fe)/NiO/MgO/Cr/MgO(001) epitaxial multilayers
Scientific Reports ( IF 3.8 ) Pub Date : 2023-03-24 , DOI: 10.1038/s41598-023-31930-z
W Janus ₁ , T Ślęzak ₁ , M Ślęzak ₁ , M Szpytma ₁ , P Dróżdż ₁ , H Nayyef ₁ , A Mandziak ₂ , D Wilgocka-Ślęzak ₃ , M Zając ₂ , M Jugovac ₄ , T O Menteş ₄ , A Locatelli ₄ , A Kozioł-Rachwał ₁

Affiliation

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.

中文翻译：

(Fe)/NiO/MgO/Cr/MgO(001) 外延多层膜中反铁磁 NiO 的可调磁各向异性

我们报告了外延生长的 NiO/MgO( d _MgO )/Cr/MgO(001) 系统中不同厚度的 MgO、d _MgO的反铁磁 NiO(001) 薄膜的磁性。X 射线磁线性二色性结果表明，随着d _MgO的增加，NiO 自旋发生从面内向面外方向的旋转。此外，我们研究了 Fe 的接近度如何改变 Fe/NiO/MgO( d _MgO )/Cr/MgO(001)中 NiO 的磁性状态。由于铁磁体/反铁磁体交换耦合与 MgO 缓冲层对 NiO 施加的应变之间的竞争，我们证明了 NiO 中存在多畴态。

更新日期：2023-03-24

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