Abstract
We present the magnetic structures and properties of single crystal and polycrystalline samples LiNi0.9Co0.1PO4 obtained by conventional self-flux (LiCl) growth from solution and glycerol-nitrate methods, respectively. The samples were studied with magnetic property measurement system, X-ray and neutron diffraction. A symmetry analysis of possible magnetic structures for the propagation vectors kC = 0 and kIC = (0, k, 0) was carried out. The magnetic structures in the LiNi0.9Co0.1PO4 single crystal are commensurate (kC = 0) and incommensurate (kIC = (0, k, 0)) antiferromagnetic orders. The module k is equal 0.10–0.12 reciprocal lattice units at low temperatures. At 7 K, the magnetic moment of the 3d-ion is 2.0 μB and decreases to zero at 21 K. The temperatures of magnetic phase transitions determined during magnetic property measurements are similar in single-crystal and polycrystalline samples. Single crystal neutron diffraction is made it possible to observe some details of the incommensurate structure.
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This study was carried out with the financial support of the Russian Foundation for Basic Research (project no. 19-32-60 011) and partly within the framework of the state assignment with the financial support of the Ministry of Education and Science of the Russian Federation (theme “Flux” no. АААА-А18-118020190112-8).
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Semkin, M.A., Urusova, N.V., Hoser, A. et al. Magnetic Structures of the LiNi0.9Co0.1PO4 Crystal. J. Surf. Investig. 15, 890–895 (2021). https://doi.org/10.1134/S1027451021050165
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DOI: https://doi.org/10.1134/S1027451021050165