Field-induced magnetic instability within a superconducting condensate

Daniel Gabriel Mazzone; Stéphane Raymond; Jorge Luis Gavilano; Eric Ressouche; Christof Niedermayer; Jonas Okkels Birk; Bachir Ouladdiaf; Gaël Bastien; Georg Knebel; Dai Aoki; Gérard Lapertot; Michel Kenzelmann

doi:10.1126/sciadv.1602055

Field-induced magnetic instability within a superconducting condensate

Daniel Gabriel Mazzone, Stéphane Raymond, Jorge Luis Gavilano, Eric Ressouche, Christof Niedermayer, Jonas Okkels Birk, Bachir Ouladdiaf, Gaël Bastien, Georg Knebel, Dai Aoki, Gérard Lapertot, Michel Kenzelmann

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

10 Citations (Scopus)

Abstract

The application of magnetic fields, chemical substitution, or hydrostatic pressure to strongly correlated electron materials can stabilize electronic phases with different organizational principles. We present evidence for a fieldinduced quantum phase transition, in superconducting Nd0.05Ce0.95CoIn5, that separates two antiferromagnetic phases with identical magnetic symmetry. At zero field, we find a spin-density wave that is suppressed at the critical field m0H = 8 T. For H > H , a spin-density phase emerges and shares many properties with the Q phase in CeCoIn5. These results suggest that the magnetic instability is not magnetically driven, and we propose that it is driven by a modification of superconducting condensate at H 2017.

Original language	English
Article number	e1602055
Journal	Science Advances
Volume	3
Issue number	5
DOIs	https://doi.org/10.1126/sciadv.1602055
Publication status	Published - 2017 May
Externally published	Yes

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Field-induced magnetic instability within a superconducting condensate. / Mazzone, Daniel Gabriel; Raymond, Stéphane; Gavilano, Jorge Luis; Ressouche, Eric; Niedermayer, Christof; Birk, Jonas Okkels; Ouladdiaf, Bachir; Bastien, Gaël; Knebel, Georg; Aoki, Dai; Lapertot, Gérard; Kenzelmann, Michel.

In: Science Advances, Vol. 3, No. 5, e1602055, 05.2017.

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

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abstract = "The application of magnetic fields, chemical substitution, or hydrostatic pressure to strongly correlated electron materials can stabilize electronic phases with different organizational principles. We present evidence for a fieldinduced quantum phase transition, in superconducting Nd0.05Ce0.95CoIn5, that separates two antiferromagnetic phases with identical magnetic symmetry. At zero field, we find a spin-density wave that is suppressed at the critical field m0H = 8 T. For H > H , a spin-density phase emerges and shares many properties with the Q phase in CeCoIn5. These results suggest that the magnetic instability is not magnetically driven, and we propose that it is driven by a modification of superconducting condensate at H 2017.",

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AU - Raymond, Stéphane

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AU - Birk, Jonas Okkels

AU - Ouladdiaf, Bachir

AU - Bastien, Gaël

AU - Knebel, Georg

AU - Aoki, Dai

AU - Lapertot, Gérard

AU - Kenzelmann, Michel

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AB - The application of magnetic fields, chemical substitution, or hydrostatic pressure to strongly correlated electron materials can stabilize electronic phases with different organizational principles. We present evidence for a fieldinduced quantum phase transition, in superconducting Nd0.05Ce0.95CoIn5, that separates two antiferromagnetic phases with identical magnetic symmetry. At zero field, we find a spin-density wave that is suppressed at the critical field m0H = 8 T. For H > H , a spin-density phase emerges and shares many properties with the Q phase in CeCoIn5. These results suggest that the magnetic instability is not magnetically driven, and we propose that it is driven by a modification of superconducting condensate at H 2017.

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Field-induced magnetic instability within a superconducting condensate

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