Odd-Parity Superconductivity with Parallel Spin Pairing in UPt{sub {bold 3}}: Evidence from {sup {bold 195}}Pt Knight Shift Study

Journal Article · Thu Aug 01 00:00:00 EDT 1996 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.77.1374· OSTI ID:286993

Tou, H; Kitaoka, Y; Asayama, K; Kimura, N; Onuki, Y; Yamamoto, E; Maezawa, K ^[1]

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1. Department of Material Physics, Faculty of Engineering Science, Osaka University, Toyonaka, Osaka 560 (Japan)

The temperature dependence of the {sup 195}Pt Knight shift, {ital K}, for the high quality single crystal UPt{sub 3} has been measured down to {ital T}=28 mK in applied magnetic fields parallel and perpendicular to the hexagonal {ital c} axis. No change of {ital K}{close_quote}s has been found across the superconducting transition temperature {ital T}{sub {ital c}} down to 28mK regardless of the crystal directions and independent of the superconducting multiphases. It is demonstrated that UPt{sub 3} is the odd-parity superconductor with {ital parallel} {ital spin} {ital pairing} following the direction of the magnetic field in a range of 4.4{endash}15.6kOe without an appreciable pinning of the order parameter to the lattice. {copyright} {ital 1996 The American Physical Society.}

• OSTI ID: 286993
• Journal Information: Physical Review Letters, Vol. 77, Issue 7; Other Information: PBD: Aug 1996
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
URANIUM COMPOUNDS
SUPERCONDUCTIVITY
PLATINUM COMPOUNDS
KNIGHT SHIFT
TEMPERATURE DEPENDENCE
PLATINUM 195
MONOCRYSTALS
NMR SPECTRA
PHASE DIAGRAMS