Suppression of superconductivity in single crystals of UPt3 by Pd substitution
M. J. Graf, R. J. Keizer, A. de Visser, A. A. Menovsky, J. J. M. Franse
DOI 10.1103/PhysRevB.60.3056 · Physical Review B
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Abstract
The suppression of superconductivity by substitution effects has been measured in high-quality single crystals of U(Pt1−xPdx)3 with 0<~x<~0.002. While the superconducting transition temperature Tc varies linearly with residual resistivity ρ0, consistent with pair breaking by impurity potential scattering, the rate of suppression of Tc with ρ0 is much larger for Pd substitution than for other impurity substitutions or by increased defect density. This effect is correlated with an increase in the inelastic scattering coefficient and may be related to Pd-induced changes in the magnetic fluctuation spectrum.
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. | 0.578 | Pressure not reported | midpoint |
| U(Pt1-xPdx)3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | midpoint |
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