Magnetic Properties of RSn2 (R = Tb, Dy) Compounds

A. Szytułaa, D. Kaczorowskib, Ł. Gondekc, J. Czubd and K. Nenkove,f a M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland b W. Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wrocław, Poland c Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland d Faculty of Metal Engineering and Industrial Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland e Leibnitz Institute for Solid State and Materials Research, P.O. Box 270116, D-01171 Dresden, Germany f International Laboratory of High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-529 Wrocław, Poland

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Polycrystalline samples of TbSn2 and DySn2 were studied by means of magnetic susceptibility, electrical resistivity and heat capacity measurements. Both compounds have been found to order antiferromagnetically at low temperatures with some extra features in the ordered state due to changes in their magnetic structures. The two stannides exhibit metallic conductivity. The estimated crystal field levels splitting of Tb3+ and Dy3+ ground multiplets do not exceed 75 K.

DOI: 10.12693/APhysPolA.117.586 PACS numbers: 75.40.-s, 75.30.Kz, 72.15.Eb