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Magnetic and related properties of a novel compound Ce3Co2Sn7

Abstract : A novel compound Ce7Co3Sn2 was synthesized and characterized by means of X-ray powder diffraction, magnetic susceptibility and magnetization, specific heat, electrical resistivity and magnetoresistivity measurements performed at temperatures down to 1.8 K and in magnetic fields up to 9 T. The compound was found to crystallize in the orthorhombic La3Co2Sn7 structure type (space group Cmmm, no. 65) with lattice parameters: a = 4.556(8) Å, b = 27.345(5) Å and c = 4.562(3) Å. Analysis of the physical properties suggests that only two of three atoms in the formula unit possess localized magnetic moments, which order antiferromagnetically at 4.6 K with some field-induced spin-reorientation in the ordered region. Moreover, Ce3Co2Sn7 exhibits some features of dense Kondo systems with the characteristic Kondo temperature of about 1.2 K.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01515159
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Submitted on : Tuesday, July 4, 2017 - 1:48:56 PM
Last modification on : Thursday, March 5, 2020 - 2:05:29 PM
Long-term archiving on: : Thursday, December 14, 2017 - 10:51:43 PM

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G. Chajewski, M. Pasturel, A.P. Pikul. Magnetic and related properties of a novel compound Ce3Co2Sn7. Journal of Alloys and Compounds, Elsevier, 2017, 706, pp.244-249. ⟨10.1016/j.jallcom.2017.02.053⟩. ⟨hal-01515159⟩

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