Dzyaloshinskii--Moriya interaction: How to measure its sign in weak ferromagnetics?

Abstract

Three experimental techniques sensitive to the sign of the Dzyaloshinskii--Moriya interaction are discussed: neutron diffraction, Moessbauer gamma-ray diffraction, and resonant x-ray scattering. Classical examples of hematite (alpha-Fe2O3) and MnCO3 crystals are considered in detail

5 pages, 1 figure; to be published in JETP Letters

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• Weak antiferromagnetic ordering and pure magnetic reflections induced by Dzyaloshinskii-Moriya interaction in MnSi-type crystals
• Dzyaloshinskii-Moriya coupling in 3d insulators
• Noncollinear twisted RKKY interaction on the optically driven SnTe(001) surface
• Dzyaloshinskii interaction and exchange-relativistic effects in orthoferrites
• Estimating Patterns of Classical and Quantum Skyrmion States
• Investigation into the role of the orbital moment in a series of isostructural weak ferromagnets
• RKKY interaction in a spin-split superconductor