Below the Kondo temperature the heavy Fermion compound YbRh2Si2 shows a well defined electron spin resonance (ESR) with local Yb3 + properties. We report a detailed analysis of the ESR intensity which gives information on the number of ESR active centers relative to the ESR of well localized Yb3 + in YPd3:Yb. The ESR lineshape is investigated regarding contributions from itinerant centers. From the ESR of monoisotopic 174YbRh2Si2 we could exclude unresolved hyperfine contributions to the lineshape. © 2007 NIMS and Elsevier Ltd.
Wykhoff, J., Sichelschmidt, J., Lapertot, G., Knebel, G., Flouquet, J., Fazlishanov, I. I., … Steglich, F. (2007). On the local and itinerant properties of the ESR in YbRh2 Si2. Science and Technology of Advanced Materials, 8(5), 389–392. https://doi.org/10.1016/j.stam.2007.07.005