Competition between intrasite and intersite interactions in U-doped YRu2Si2 (CROSBI ID 83954)
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Očko, Miroslav ; Park, Je-Geun ; Aviani, Ivica
engleski
Competition between intrasite and intersite interactions in U-doped YRu2Si2
We report electrical resistivity and thermopower measurements of two alloy of the(UxY1-x)Ru2Si2 alloy system (x = 0.08 and 0.30). For x = 0.08, we have found evidences for impurity Kondo scattering from the lowest lying CEF levels with T-K = 10 K. The sample with x = 0.3 shows an antiferromagnetic transition at 15.3 K. Thereby we conclude that the two energy scales, T-K and T-RRKY are close to and compete against each other in dilute U of YRu2Si2.
U alloys; CEF levels; Kondo scattering; antiferromagnetic transition
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