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Elsevier, Journal of Magnetism and Magnetic Materials, 6(324), p. 923-927, 2012

DOI: 10.1016/j.jmmm.2011.07.044

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Crystal structure and magnetic properties of Mn substituted ludwigite Co3O2BO3

Journal article published in 2012 by Y.-U. V. Knyazev, N. B. Ivanova, N. V. Kazak, M. S. Platunov ORCID, L. N. Bezmaternykh, D. А. Velikanov, А. D. Vasiliev, S. G. Ovchinnikov, G. Y.-U. Yurkin
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The needle shape single crystals Co3−x MnxO2BO3 with ludwigite structure have been prepared. According to the X-ray diffraction data the preferable character of distinct crystallographic positions occupation by Mn ions is established. Magnetization field and temperature dependencies are measured. Paramagnetic Curie temperature value Θ=−100K points out the predominance of antiferromagnetic interactions. Spin-glass magnetic ordering takes the onset at TN=41K. The crystallographic and magnetic properties of Co3O2BO3:Mn are compared with the same for the isostructural analogs Co3O2BO3 and CoO2BO3:Fe.