Abstract
A new mechanism is proposed for forming an incommensurate magnetic structure of the transverse helix type owing to the removal of frustration through intersubsystem exchange in a two-subsystem antiferromagnet. The symmetry analysis of the distribution of the Dzyaloshinskii-Moriya interaction and comparison with the experimental data on the field dependence of magnetization indicate that antisymmetric exchange and competition between symmetric exchanges cannot be responsible for forming a helical magnetic structure in CuB2O4.
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Original Russian Text © S.N. Martynov, A.D. Balaev, 2007, published in Pis’ma v Zhurnal Èksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 85, No. 12, pp. 785–790.
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Martynov, S.N., Balaev, A.D. Frustration mechanism of formation of a helical magnetic structure in the CuB2O4 two-subsystem antiferromagnet. Jetp Lett. 85, 649–654 (2007). https://doi.org/10.1134/S0021364007120132
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DOI: https://doi.org/10.1134/S0021364007120132