Interfacial Dzyaloshinskii-Moriya Interaction of Antiferromagnetic Materials

Abstract

The interface between a ferromagnet (FM) or antiferromagnet (AFM) and a heavy metal (HM) results in an antisymmetric exchange interaction known as the interfacial Dzyaloshinskii-Moriya interaction (iDMI) which favors non-collinear spin configurations. The iDMI is responsible for stabilizing noncollinear spin textures such as skyrmions in materials with bulk inversion symmetry. Interfacial DMI values have been previously determined theoretically and experimentally for FM/HM interfaces, and, in this work, values are calculated for the metallic AFM MnPt and the insulating AFM NiO. The heavy metals considered are W, Re, and Au. The effects of the AFM and HM thicknesses are determined. The iDMI values of the MnPt heterolayers are comparable to those of the common FM materials, and those of NiO are lower.

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Cited by in corpus (11)

• Magnetic Properties of NbSi2N4, VSi2N4, and VSi2P4 Monolayers
• Tunable Magnetic Skyrmions in Ferrimagnetic Mn${}_4$N
• Critical metrology of minimally accessible anisotropic spin chains
• Domain periodicity in an easy-plane antiferromagnet with Dzyaloshinskii-Moriya interaction
• Light-induced Dzyaloshinskii-Moriya interactions in antiferromagnetic metals
• Anti-helical edge magnons in patterned antiferromagnetic thin film
• Significant Unconventional Anomalous Hall Effect in Heavy Metal/Antiferromagnetic Insulator Heterostructures
• Stable Ferromagnetism and High Curie Temperature in VGe${}_2$N${}_4$
• Identifiying the domain wall spin structure in current-induced switching of antiferromagnetic NiO/Pt
• Chaotic spin precession in antiferromagnetic domain walls
• Tunable Ultrafast Dynamics of Antiferromagnetic Vortices in Nanoscale Dots