Superconductivity and the incommensurate structural modulation in the heavy fermion UPt3
P. A. Midgley, S. M. Hayden, L. Taillefer, B. Bogenberger, H. v. Löhneysen
DOI 10.1103/PhysRevLett.70.678 · Physical Review Letters
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Abstract
Transmission electorn microscopy and electron diffraction studies reveal the presence of a macroscopic incommensurate structural modulation in the heavy fermion superconductor UPt3. Two sharp superconducting transitions in the heat capacity are found to exist only in homogeneous samples with a well-developed modulation. There is evidence for a strong coupling between the structural modulation and superconductivity; this may determine the structure of the rich H-T-p phase diagram.
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 | midpoint |
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