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), Vol. 46:9; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

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