Detection of high-field superconducting phase in CeCoIn5 with magnetic susceptibility
S. D. Johnson, R. J. Zieve, J. C. Cooley
DOI 10.1103/PhysRevB.86.144518 · Physical Review B
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Abstract
We measure the ac susceptibility of single-crystal CeCoIn5 in dc field parallel to the c axis. We find further evidence for a high-field phase transition within the superconducting phase in this orientation. We apply up to 2.3 kbar uniaxial pressure along the c axis and find that the high-field phase boundary tracks the upper critical field Hc2. We also report the behavior of Hc2 under uniaxial pressure for field along c.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| CeCoIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.29 | Pressure unresolved | onset |
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