Composition and field-tuned magnetism and superconductivity in Nd1-x Cex CoIn5

Rongwei Hu, Y. Lee, J. Hudis, V. F. Mitrovic, C. Petrovic

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The Nd1-x Cex CoIn5 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 unique model electronic system.

Original languageEnglish
Article number165129
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume77
Issue number16
DOIs
Publication statusPublished - 2008 Apr 24

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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