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Type: Artigo
Title: High pressure and high magnetic field studies of the electronic transport properties of the antiferromagnet Eu3ir4sn13
Author: Mendonca-Ferreira, L.
Bittar, E. M.
Bianchi, I. K. E.
Rosa, P. F. S.
Fisk, Z.
Pagliuso, P. G.
Abstract: In this work we report the effects of hydrostatic pressure and magnetic field on the electronic transport properties of the antiferromagnetic compound Eu(3)Ir(4)Sni(3) (T-N similar to 10 K). Single crystals of Eu3Ir4Sn13 were synthesized using the Sn self-flux technique. DC electrical resistivity measurements as a function of temperature were performed by means of the four-probe technique. The high-temperature anomaly at T* similar to 57 K attributed to a structural distortion of the Sn1Sn2(12) cages in Eu3Ir4Sn13 is rapidly decreased to lower temperatures at a rate dT*/dP = 2 K/kbar, while the antiferromagnetic transition due to the Eu2+ ions is only weakly affected. Our data do not indicate any magnetoelastic effect associated with the structural instability at T*. Furthermore, the suppression of the lattice distortion by application of external pressure is not accompanied by the emergence of superconductivity, possibly due to strong magnetic correlations between the Eu2+ localized magnetic moments
Subject: Campos magnéticos
Country: Reino Unido
Editor: IOP Publishing
Rights: Aberto
Identifier DOI: 10.1088/1742-6596/592/1/012046
Date Issue: 2015
Appears in Collections:IFGW - Artigos e Outros Documentos

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