Reemergent superconductivity and avoided quantum criticality in Cd-doped CeIrIn5 under pressure

Y. Chen; W. B. Jiang; C. Y. Guo; F. Ronning; E. D. Bauer; Tuson Park; H. Q. Yuan; Z. Fisk; J. D. Thompson; Xin Lu

doi:10.1103/PhysRevLett.114.146403

Reemergent superconductivity and avoided quantum criticality in Cd-doped CeIrIn5 under pressure

Y. Chen, W. B. Jiang, C. Y. Guo, F. Ronning, E. D. Bauer, Tuson Park, H. Q. Yuan, Z. Fisk, J. D. Thompson, Xin Lu

Department of Physics

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We investigated the electrical resistivity and heat capacity of 1% Cd-doped CeIrIn5 under hydrostatic pressure up to 2.7 GPa, near where long-range antiferromagnetic order is suppressed and bulk superconductivity suddenly reemerges. The pressure-induced Tc is close to that of pristine CeIrIn5 at 2.7 GPa, and no signatures of a quantum critical point under pressure support a local origin of the antiferromagnetic moments in Cd-CeIrIn5 at ambient pressure. Similarities between superconductors CeIrIn5 and CeCoIn5 in response to Cd substitutions suggest a common magnetic mechanism.

Original language	English
Article number	146403
Journal	Physical Review Letters
Volume	114
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.114.146403
State	Published - 9 Apr 2015

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10.1103/PhysRevLett.114.146403

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title = "Reemergent superconductivity and avoided quantum criticality in Cd-doped CeIrIn5 under pressure",

abstract = "We investigated the electrical resistivity and heat capacity of 1\% Cd-doped CeIrIn5 under hydrostatic pressure up to 2.7 GPa, near where long-range antiferromagnetic order is suppressed and bulk superconductivity suddenly reemerges. The pressure-induced Tc is close to that of pristine CeIrIn5 at 2.7 GPa, and no signatures of a quantum critical point under pressure support a local origin of the antiferromagnetic moments in Cd-CeIrIn5 at ambient pressure. Similarities between superconductors CeIrIn5 and CeCoIn5 in response to Cd substitutions suggest a common magnetic mechanism.",

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AU - Chen, Y.

AU - Jiang, W. B.

AU - Guo, C. Y.

AU - Ronning, F.

AU - Bauer, E. D.

AU - Park, Tuson

AU - Yuan, H. Q.

AU - Fisk, Z.

AU - Thompson, J. D.

AU - Lu, Xin

PY - 2015/4/9

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N2 - We investigated the electrical resistivity and heat capacity of 1% Cd-doped CeIrIn5 under hydrostatic pressure up to 2.7 GPa, near where long-range antiferromagnetic order is suppressed and bulk superconductivity suddenly reemerges. The pressure-induced Tc is close to that of pristine CeIrIn5 at 2.7 GPa, and no signatures of a quantum critical point under pressure support a local origin of the antiferromagnetic moments in Cd-CeIrIn5 at ambient pressure. Similarities between superconductors CeIrIn5 and CeCoIn5 in response to Cd substitutions suggest a common magnetic mechanism.

AB - We investigated the electrical resistivity and heat capacity of 1% Cd-doped CeIrIn5 under hydrostatic pressure up to 2.7 GPa, near where long-range antiferromagnetic order is suppressed and bulk superconductivity suddenly reemerges. The pressure-induced Tc is close to that of pristine CeIrIn5 at 2.7 GPa, and no signatures of a quantum critical point under pressure support a local origin of the antiferromagnetic moments in Cd-CeIrIn5 at ambient pressure. Similarities between superconductors CeIrIn5 and CeCoIn5 in response to Cd substitutions suggest a common magnetic mechanism.

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JO - Physical Review Letters

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Reemergent superconductivity and avoided quantum criticality in Cd-doped CeIrIn5 under pressure

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