Magnetic Structure and Interactions in the Quasi-1D Antiferromagnet CaV${}_2$O${}_4$

Abstract

CaV${}_2$O${}_4$ is a spin-1 antiferromagnet, where the magnetic vanadium ions are arranged on quasi-one-dimensional (1D) zig-zag chains with potentially frustrated antiferromagnetic exchange interactions. High temperature susceptibility and single-crystal neutron diffraction measurements are used to deduce the non-collinear magnetic structure, dominant exchange interactions and orbital configurations. The results suggest that at high temperatures CaV${}_2$O${}_4$ behaves as a Haldane chain, but at low temperatures, orbital ordering lifts the frustration and it becomes a spin-1 ladder.

5 pages, 4 figures

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Cited by in corpus (12)

• Peierls Mechanism of the Metal-Insulator Transition in Ferromagnetic Hollandite K2Cr8O16
• The magnetic structure of the $zigzag$ chain family Na${}_x$Ca${}_{1-x}$V${}_2$O${}_4$ determined by muon-spin rotation
• Finite-Temperature Dynamics and Thermal Intraband Magnon Scattering in Haldane Spin-One Chains
• Orbital multicriticality in spin gapped quasi-1D antiferromagnets
• KAgF3: quasi-one-dimensional magnetism in three-dimensional magnetic ions sublattice
• Model for frustrated spin-orbital chains: application to CaV2O4
• Orbital- and spin-driven lattice instabilities in quasi-one-dimensional CaV${}_2$O${}_4$
• Lattice dynamics of KAgF3 perovskite, unique 1D antiferromagnet
• Quantum criticality of vanadium chains with strong relativistic spin-orbit interaction
• Magnetic, Thermal, and Transport Properties of the Mixed Valent Vanadium Oxides LuV4O8 and YV4O8
• Quantum phase transitions in a strongly entangled spin-orbital chain: A field-theoretical approach
• First principles investigation of exchange interactions in quasi-one-dimensional antiferromagnet CaV2O4