Expansivity of the superconducting phases of UPt3
N. H. van Dijk, A. de Visser, J. J. M. Franse, S. Holtmeier, L. Taillefer, J. Flouquet
DOI 10.1103/PhysRevB.48.1299 · Physical Review B
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Abstract
The superconducting phase diagram of heavy-fermion UPt3 has been determined with the use of a sensitive dilatometric technique. Discontinuities observed in the coefficients of the linear thermal expansion (α) and magnetostriction (τ) at the phase lines yield the uniaxial pressure dependence of the various phases via the Ehrenfest relation. The results yield important constraints on the analysis within a Ginzburg-Landau approach.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| UPt3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.5 | Pressure not reported | onset |
| UPt3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.493 | Pressure unresolved | onset |
| UPt3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.438 | Pressure unresolved | midpoint |
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