Reversible tuning of the heavy-fermion ground state in CeCoIn5.
- Author(s): Pham, LD
- Park, Tuson
- Maquilon, S
- Thompson, JD
- Fisk, Z
- et al.
Published Web Locationhttps://doi.org/10.1103/physrevlett.97.056404
Cadmium doping the heavy-fermion superconductor CeCoIn(5) at the percent level acts as an electronic tuning agent, sensitively shifting the balance between superconductivity and antiferromagnetism and opening new ambient-pressure phase space in the study of heavy-fermion ground states.