Spin correlations in the frustrated ferro-antiferromagnet SrZnVO(PO4)2 near saturation

Abstract

Single crystal elastic and inelastic neutron scattering experiments are performed on the frustrated ferro-antiferromagnet SrZnVO(PO4)2 in high magnetic fields. The fully polarized state, the presaturation phase and the columnar-antiferromagnetic phase just bellow the presaturation phase were investigated. The observed renormalization of spin wave bandwidths, re-distribution of intensities between different branches and non-linearities in the magnetization curve are all indicative of strong deviations from classical spin wave theory. The previously observed presaturation transition is attributed to a staggered pattern of Dzyaloshinskii-Moriya interactions.

Changes: author list in meta data corrected

References in corpus (9)

• Magnetic properties of BaCdVO(PO_4)_2: a strongly frustrated spin-1/2 square lattice close to the quantum critical regime
• Extension of the spin-1/2 frustrated square lattice model: the case of layered vanadium phosphates
• Ghost in the machine: Theory of inelastic neutron scattering in a field-induced spin-nematic state
• Quantum fluctuations in high field magnetization of 2D square lattice J1-J2 antiferromagnets
• Putative spin-nematic phase in BaCdVO(PO${}_4$)${}_2$
• Pre-saturation phase in the frustrated ferro-antiferromagnet Pb${}_2$VO(PO${}_4$)${}_2$
• NMR evidence against a spin-nematic nature of the presaturation phase in the frustrated magnet SrZnVO(PO4)2
• Inelastic neutron scattering determination of the spin Hamiltonian for BaCdVO(PO${}_4$)${}_2$
• Phase diagram and spin waves in the frustrated ferro-antiferromagnet SrZnVO(PO4)2

Cited by in corpus (1)

• Narrowly avoided spin-nematic phase in BaCdVO(PO${}_4$)${}_2$: NMR evidence