Novel coexistence of superconductivity with two distinct magnetic orders

A. D. Christianson, A. Llobet, Wei Bao, J. S. Gardner, I. P. Swainson, J. W. Lynn, J. M. Mignot, K. Prokes, P. G. Pagliuso, N. O. Moreno, J. L. Sarrao, J. D. Thompson, A. H. Lacerda

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Abstract

The heavy fermion CeRh1-xIrxIn5 system exhibits properties that range from an incommensurate antiferromagnet for small x to an exotic superconductor on the Ir-rich end of the phase diagram. At intermediate x where antiferromagnetism coexists with superconductivity, two types of magnetic order are observed: the incommensurate one of CeRhIn5 and a new, commensurate antiferromagnetism that orders separately. The coexistence of f-electron superconductivity with two distinct f-electron magnetic orders is unique among unconventional superconductors, adding a new variety to the usual coexistence found in magnetic superconductors.

Original languageEnglish
Article number217002
JournalPhysical Review Letters
Volume95
Issue number21
DOIs
StatePublished - Nov 18 2005
Externally publishedYes

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