Publicación: Magnetic and thermal properties of Ce2Pd2Sn
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Fil: Sereni, J.G. Comisión Nacional de Energía Atómica. Instituto Balseiro. Laboratorio de Bajas Temperaturas; Argentina
Fil: Braghta, A. UMR 7504 Centre National de la Recherche Scientifique-ULP. Institute of Physics and Chemistry of Materials of Strasbourg; Francia; Université de Guelma. Département de Physique; Argelia
Fil: Schmerber, G. UMR 7504 Centre National de la Recherche Scientifique-ULP. Institute of Physics and Chemistry of Materials of Strasbourg; Francia
Fil: Derory, A. UMR 7504 Centre National de la Recherche Scientifique-ULP. Institute of Physics and Chemistry of Materials of Strasbourg; Francia
Fil: Kappler, J.P. UMR 7504 Centre National de la Recherche Scientifique-ULP. Institute of Physics and Chemistry of Materials of Strasbourg; Francia
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Centro Atómico Bariloche
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eng
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X-ray diffraction, susceptibility and specific heat studies on ternary Ce2Pd2Sn intermetallic compound and on its isostructural non-magnetic compound La2Pd2Sn are reported. On Ce2Pd2Sn in absence of magnetic field, we confirm the existence of two magnetic transitions at TN=4.8 K (antiferromagnetic transition) and TC=2.2 K (ferromagnetic transition) and the specific heat results, measured down to 0.5 K, allow to recognize the transition at 2.2 K as a first-order transition. A description based on molecular field calculations for the S=1/2 resonant level model leads to a characteristic Kondo TK of about 3 K.
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Journal of Magnetism and Magnetic Materials. Vol. 320, no. 6 (2008), p. 1141-1145