Publications in Scientific Journals:

M. Reiffers, S. Ilkovic, A. Zorkovska, E. Bauer:
"Point-contact properties of non-Fermi liquid compound YbCu3.5Al1.5";
Journal of Magnetism and Magnetic Materials, 272-276 (2004), 625 - 626.

English abstract:
Point-contact properties of non-Fermi liquid compound YbCu3.5Al1.5

Marián ReiffersCorresponding Author Contact Information, E-mail The Corresponding Author, a, Sergej IlkoviImageb, Anna Zorkovskác and Ernst Bauerd

a Institute of Experimental Physics, Watsonova 47, SK-043 53, KoImageice, Slovakia
b Faculty of Humanities and Natural Sciences, University of PreImageov, 080 78, PreImageov, Slovakia
c Institute of Physics, P.J. Safarik University, Park Angelinum 9, 041 54, KoImageice, Slovakia
d Institut für Festkörperphysik, Technische Universität Wien, 1040, Wien, Austria

Available online 30 December 2003.


The point-contacts between non-Fermi liquid compound YbCu3.5Al1.5 and Cu in zero magnetic field as well as in applied magnetic fields up to 6 T were studied in the temperature region from 1.5 to 10 K. An asymmetric behaviour of dV/dI(V) is observed with a maximum close to zero voltage. A magnetic field of 6 T splits the maximum into two sub-peaks and diminishes its intensity. The extremum in dV/dI(V) is related to a NFL behaviour and the splitting of this feature by applied magnetic field signifies the destruction of the NFL state.

Author Keywords: Non-fermi liquid; Point-contact; YbCu3.5Al1.5

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