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Schlagwörter:
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Zusammenfassung:
We observed a well-defined Yb3+ electron spin resonance (ESR) line in
YbPt2Sn. The single crystal ESR data show strongly anisotropic g
factors, being largest in the basal plane, in agreement with
magnetization data. This proves the intrinsic nature of the ESR signal.
Analysis of these results indicates the crystal electric field ground
state to be the F-7 doublet. Although the Kondo and intersite
interactions are at least one order of magnitude weaker than in the
Kondo lattices YbRh2Si2 and YbIr2Si2, the temperature dependence of
linewidth and g factors show qualitative similarities.
