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Phys. Rev. B 60, 422–433 (1999)

Magnetic, thermodynamic, and electrical transport properties of ternary equiatomic ytterbium compounds YbTM (T=transition metal, M=Sn and Bi)

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D. Kaczorowski*
W. Trzebiatowski Institute for Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wrocław 2, Poland

A. Leithe-Jasper, P. Rogl, and H. Flandorfer
Institut für Physikalische Chemie der Universität Wien, Währingerstrasse 42, A-1090 Vienna, Austria

T. Cichorek
W. Trzebiatowski Institute for Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wrocław 2, Poland

R. Pietri and B. Andraka
Department of Physics, University of Florida, P.O. Box 118440, Gainesville, Florida 32611

Received 21 April 1998; revised 2 November 1998; published in the issue dated 1 July 1999

Physical behavior of several YbTM intermetallics has been studied by means of x-ray powder diffraction, magnetization, dc magnetic susceptibility, heat capacity, and electrical resistivity measurements. The compounds YbTBi with T=Cu, Ag, Au and YbTSn with T=Ag, Au, Zn were shown to be nonmagnetic due to the presence of divalent ytterbium ions. The bismuthide YbPdBi as well as the stannides YbRhSn and YbPtSn were found to exhibit localized magnetism of almost trivalent Yb ions. The electrical behavior of these three phases is characteristic of dense Kondo systems, and their low-temperature specific heat data indicate a possible heavy fermion ground state.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.60.422
DOI:
10.1103/PhysRevB.60.422
PACS:
75.30.Mb, 75.20.Hr, 72.15.Qm, 61.66.Dk

*Author to whom correspondence should be addressed.

 
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