Abstract

The magnetic and electric hyperfine interactions for the111Cd probe nucleus in the equi-atomic ferromagnetic compound NdScGe ( K) have been investigated by the time differential perturbed angular correlation (TDPAC) technique.The Cd probe occupying the Sc site experiences a large magnetic hyperfine field with saturation valueBhf(0) = −8.5 T. By comparing the results with the hyperfine field data in Nd metal and estimates madewith the RKKY interaction, we find an indication for sizeable spin polarization of theconduction electrons in NdScGe. In addition, we find evidence of lattice softening near theCurie temperature reflected by an abrupt decrease in the quadrupole interaction frequencyνQ(T).

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