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Crystal structure and physical properties of the two stannides EuPdSn2 and YbPdSn2
I Čurlík1, M Giovannini2, F Gastaldo3
1Faculty of Humanities and Natural Sciences, University of Prešov, 17. novembra 1, Prešov, Slovakia.
Abstract:
We report on synthesis, crystal structure and physical properties of the isotypic compounds YbPdSn2 and EuPdSn2 crystallizing in the MgCuAl2-type structure. In both stannides a divalent state of respective rare earth element was found from analysis of the magnetic susceptibilities. Whereas in YbPdSn2 only weak paramagnetic behaviour is observed, in EuPdSn2 a long-range magnetic phase transition occurs at 12.5 K with complex magnetic behaviour evidenced by magnetic susceptibity and specific heat measurements. Under the influence of magnetic field, the magnetic behaviour was found to evolve from an antiferromagnetic to a ferromagnetic state as a consequence of a re-arrangement of magnetic moments.
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