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Type: Artigo
Title: 3d magnetism in Thco2sn2 single crystals
Author: Rosa, P. F. S.
Garitezi, T. M.
Fisk, Z.
Pagliuso, P. G.
Abstract: Intense efforts have been made in order to synthesize new tetragonal ternary intermetallic compounds with low-temperature ground states on the border of magnetism. Here we report the synthesis of ThCo2Sn2 single crystals, which crystallize in the tetragonal CaBe2Ge2-type structure, using the flux technique. Further investigation of the physical properties by magnetic susceptibility and pressure-dependent electrical resistivity measurements confirm the presence of antiferromagnetic ordering associated with the Co ions, but with a higher ordering temperature of T-N = 78 K when compared to T-N = 65 K of the polycrystalline counterpart. Our results show that both Cu-substitution and applied pressure up to 22 kbar are not able to induce superconductivity in this system. Nevertheless, our analyses point out to a putative quantum critical point at higher pressures
Subject: Compostos intermetálicos
Monocristais - Propriedades magnéticas
Country: Reino Unido
Editor: IOP Publishing
Rights: Aberto
Identifier DOI: 10.1088/1742-6596/592/1/012053
Date Issue: 2015
Appears in Collections:IFGW - Artigos e Outros Documentos

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