The magnetic ground state of CuB₂O₄ is incommensurate at T0ex0ex=0ex0ex1.8K and undergoes a continuous phase transition to a noncollinear commensurate antiferromagnetic state at T^~10K. Close to T^ higher-order magnetic satellites are observed. Coexistence of long- and short-range magnetic order is observed in both magnetic phases. This suggests that the association of the Dzyaloshinskii-Moriya interaction and anisotropy leads to the formation of a magnetic soliton lattice.
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Roessli et al. (2001) studied this question.
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