Canted Antiferromagnetic Order in the Kagome Material Sr-Vesignieite

Abstract

We report ${}^{51}$V NMR, $\mu$SR and zero applied field ${}^{63,65}$Cu NMR measurements on powder samples of Sr-vesignieite, SrCu${}_3$V${}_2$O${}_8$(OH)${}_2$, a $S=1/2$ nearly-kagome Heisenberg antiferromagnet. Our results demonstrate that the ground state is a $\mathbf{q}=0$ magnetic structure with spins canting either in or out of the kagome plane, giving rise to weak ferromagnetism. We determine the size of ordered moments and the angle of canting for different possible $\mathbf{q}=0$ structures and orbital scenarios, thereby providing insight into the role of the Dzyaloshinskii-Moriya (DM) interaction in this material.

arXiv commentAccepted in Physical Review B

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• Resonant inelastic x-ray scattering study of vector chiral ordered kagome antiferromagnet
• Topological characterization of magnon-polaron bands and thermal Hall conductivity in a frustrated kagome antiferromagnet
• Collapse of susceptibility and non-trivial spin dynamics in the hyper-honeycomb magnet $\beta$-Li${}_2$IrO${}_3$ under high pressure
• Kagome edge states under lattice termination, spin-orbit coupling, and magnetic order