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
TL;DR
This paper reports the discovery of a unique coexistence of superconductivity with two different magnetic orders in the Ce(Rh,Ir)In5 system, revealing new complex interactions in heavy fermion materials.
Contribution
It demonstrates the simultaneous presence of superconductivity with two distinct magnetic orders, a novel phenomenon in unconventional superconductors.
Findings
Coexistence of incommensurate and commensurate magnetic orders with superconductivity.
Observation of magnetic orders varying with composition in Ce(Rh,Ir)In5.
Identification of a new type of magnetic order coexisting with superconductivity.
Abstract
The heavy fermion Ce(Rh,Ir)In5 system exhibits properties that range from an incommensurate antiferromagnet on the Rh-rich end to an exotic superconductor on the Ir-rich end of the phase diagram. At intermediate composition 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.
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