Formation of a magnetic soliton lattice in copper metaborate

Abstract

The magnetic ground-state of copper metaborate is investigated by means of elastic neutron scattering.The magnetic structure of CuB2O4 is incommensurate with respect to the chemical lattice at T=1.8K and undergoes a continuous phase transition to a non-collinear commensurate antiferromagnetic state which is realized at T=10K. Close to the phase transition higher-order magnetic satellites are observed. Coexistence of long-range and short range magnetic order observed in both magnetic phases. This suggests that the association of the Dzyialoshinskii-Moriya interaction, lattice symmetry and tetragonal anisotropy leads to the formation of a three-dimensional magnetic soliton lattice.

References in corpus (4)

• Field-induced Commensurate-Incommensurate phase transition in a Dzyaloshinskii-Moriya spiral antiferromagnet
• Magnetic anisotropy and low-energy spin waves in the Dzyaloshinskii-Moriya spiral magnet Ba_2 Cu Ge_2 O_7
• NMR imaging of the soliton lattice profile in the spin-Peierls compound CuGeO_3
• Field-induced incommensurate-to-commensurate transition in Ba_2CuGe_2O_7

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