Composition and field tuned magnetism and superconductivity in Nd1-xCexCoIn5

Abstract

The Nd1-xCexCoIn5 alloys evolve from local moment magnetism (x = 0) to heavy fermion superconductivity (x =1). Magnetic order is observed over a broad range of x. For a substantial range of x (0.83 <= x <= 0.95) in the temperature - composition phase diagram we find that superconductivity may coexist with spin - density wave magnetic order at the Fermi surface. We show that a delicate balance betwen superconducting and magnetic instabilities can be reversibly tuned by both the Ce/Nd ratio and magnetic field, offering a new and unique model electronic system.

arXiv comment7 pages, 7 figures. Physical Review B in press

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Cited by in corpus (14)

• Superconducting phases of f-electron compounds
• Evolution of the superconducting energy gap structure concomitant with Fermi surface reconstruction in the heavy-fermion superconductor CeCoIn5
• Magnetic order in Ce0.95Nd0.05CoIn5: the Q-phase at zero magnetic field
• Spin Resonance and Magnetic Order in an Unconventional Superconductor
• Resolution of the discrepancy between the variation of the physical properties of Ce1-xYbxCoIn5 single crystals and thin films with Yb composition
• Competing magnetic orders in the superconducting state of Nd-doped CeRhIn${}_5$ under pressure
• Evolution of Magnetic Order from the Localized to the Itinerant Limit
• Unusual Kondo-hole effect and crystal-field frustration in Nd-doped CeRhIn${}_5$
• Observation of a new field-induced phase transition and its concomitant quantum critical fluctuations in CeCo(In${}_{1-x}$Zn${}_x$)${}_5$
• Anisotropic magnetic-field response of quantum critical fluctuations in Ni-doped CeCoIn5
• Superconductivity and non-Fermi-liquid behavior in the heavy-fermion compound CeCo${}_{1-x}$Ni${}_x$In${}_5$
• Fermi surface reconstruction and dimensional topology change in Nd-doped CeCoIn${}_5$
• Renormalizations in unconventional superconducting states of Ce${}_{1-x}$Yb${}_x$CoIn${}_5$
• Impurity-induced magnetic droplet in unconventional superconductors near magnetic instability: Application to Nd doped $\mathbf{CeCoI}{\mathbf{n}}_5$