Abstract
A phase diagram of a magnetic material with the spin S = 2 is obtained including all allowed spin invariants for the isotropic exchange interaction at an arbitrary relation between exchange constants. New phases with two-sublattice structure and biaxial symmetry at a site are found.
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Original Russian Text © O.A. Kosmachev, Yu.A. Fridman, B.A. Ivanov, 2017, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2017, Vol. 105, No. 7, pp. 444–448.
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Kosmachev, O.A., Fridman, Y.A. & Ivanov, B.A. Phase states of a magnetic material with the spin S = 2 and the isotropic exchange interaction. Jetp Lett. 105, 453–457 (2017). https://doi.org/10.1134/S0021364017070086
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DOI: https://doi.org/10.1134/S0021364017070086