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Tailoring magnetic insulator proximity effects in graphene: First-principles calculations
A. Hallal, F. Ibrahim, H. X. Yang +2
We report a systematic first-principles investigation of the influence of different magnetic insulators on the magnetic proximity effect induced in graphene. Four different magneti…
Giant interfacial perpendicular magnetic anisotropy in MgO/CoFe/capping layer structures
Shouzhong Peng, Weisheng Zhao, Junfeng Qiao +8
Magnetic tunnel junction (MTJ) based on CoFeB/MgO/CoFeB structures is of great interest due to its application in the spin-transfer-torque magnetic random access memory (STT-MRAM).…
Long range phase coherencein double barrier magnetic tunnel junctions with large thick metallic quantum well
B. S. Tao, H. X. Yang, Y. L. Zuo +11
Double barrier heterostructures are model systems for the study of electron tunneling and discrete energy levels in a quantum well (QW). Until now resonant tunneling phenomena in m…
Controlling Dzyaloshinskii-Moriya Interaction via Chirality Dependent Layer Stacking, Insulator Capping and Electric Field
Hongxin Yang, Olivier Boulle, Vincent Cros +2
Using first-principle calculations, we demonstrate several approaches to manipulate Dzyaloshinskii-Moriya Interaction (DMI) in ultrathin magnetic films. First, we find that DMI is…
Room temperature chiral magnetic skyrmion in ultrathin magnetic nanostructures
Olivier Boulle, Jan Vogel, Hongxin Yang +16
Magnetic skyrmions are chiral spin structures with a whirling configuration. Their topological properties, nanometer size and the fact that they can be moved by small current densi…