Possible formation of a nonuniform superconducting state in the heavy-fermion compound UPd2Al3
K. Gloos, R. Modler, H. Schimanski, C. D. Bredl, C. Geibel, F. Steglich, A. I. Buzdin, N. Sato, T. Komatsubara
DOI 10.1103/PhysRevLett.70.501 · Physical Review Letters
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Abstract
Thermal expansion and magnetostriction measurements on single crystalline UPd2Al3, a very clean, strongly Pauli-limited, heavy-fermion superconductor (Tc≃1.82 K), have been utilized to establish a first-order transition at T≤T̃≃1.5 K and B<Bc2(T). This is ascribed to the hitherto unobserved formation of a nonuniform superconducting state, as pedicted theoretically in 1963.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| UPd2Al3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.82 | Pressure not reported | onset |
| UPd2Al3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.82 | Pressure not reported | onset |
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