Point-contact spectroscopy of superconducting URu sub 2 Si sub 2

Journal Article · Tue Sep 01 00:00:00 EDT 1992 · Physical Review, B: Condensed Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.46.5826· OSTI ID:7172844

Hasselbach, K; Kirtley, J R ^[1]; Lejay, P ^[2]

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1. IBM Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (United States)
2. Centre de Recherches sur les Tres Basses Temperatures, C.N.R.S., Boite Postal 166X, 38042 Grenoble CEDEX (France)

We present point-contact measurements of the antiferromagnetic heavy-fermion superconductor URu{sub 2}Si{sub 2}. Our data in the superconducting state agree remarkably well with the theory of Blonder, Tinkham, and Klapwijk (BTK), and are consistent with a gap with {ital d}-wave symmetry. In the normal state a gap'' in the conductance develops as the temperature is lowered below the Neel temperature. The persistence of this gap into the superconducting state supports the view that magnetically correlated electrons participate in the superconductivity.

• OSTI ID: 7172844
• Journal Information: Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 46:9; ISSN PRBMD; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

665411* -- Basic Superconductivity Studies-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ACTINIDE COMPOUNDS
ANTIFERROMAGNETISM
ENERGY GAP
MAGNETISM
REFRACTORY METAL COMPOUNDS
RUTHENIUM COMPOUNDS
RUTHENIUM SILICIDES
SILICIDES
SILICON COMPOUNDS
SPECTROSCOPY
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
URANIUM COMPOUNDS
URANIUM SILICIDES