conInvestigation of Sr2RuO4-Pt tacts in an applied magnetic field
Journal article, 2004
We investigated the spin-triplet superconductor Sr 2 RuO 4 by means of conductance measurements of normal conductor/ superconductor point contacts. We present results that show a linear dependence of the excess current as a function of temperature and applied magnetic fields over a wide range of the phase diagram. Applying a magnetic field larger than the upper critical field B c2 suppresses completely the features related to superconductivity and a conductance minimum at V = 0 occurs which becomes more pronounced with increasing field and persists even above T c up to several K. © 2003 Elsevier B.V. All rights reserved.
andreev reflection
superconductivity
triplet
Author
G. Goll
Karlsruhe Institute of Technology (KIT)
F. Laube
Karlsruhe Institute of Technology (KIT)
M. Eschrig
Karlsruhe Institute of Technology (KIT)
Mikael Fogelström
University of Gothenburg
Chalmers, Microtechnology and Nanoscience (MC2)
R. Werner
Karlsruhe Institute of Technology (KIT)
H. Von Loehneysen
Karlsruhe Institute of Technology (KIT)
F. Lichtenberg
University of Augsburg
Journal of Magnetism and Magnetic Materials
0304-8853 (ISSN)
Vol. 272 SUPPL. 1 E197-E198Subject Categories
Materials Engineering
Condensed Matter Physics
DOI
10.1016/j.jmmm.2003.11.109