Abstract

NMR shifts $\ensuremath{\Delta}K$ and relaxation times ${T}_{1}$ of $^{63}\mathrm{Cu}$ satellite resonances corresponding to nuclei near impurities in $\mathrm{Cu}\mathrm{Fe}$ dilute alloys have been measured for $H\ensuremath{\sim}60 \mathrm{and} 30$ kG and $Tl20$ K. The $\ensuremath{\Delta}K(T)$ data confirm that the conduction-electron spin polarization scales with the impurity susceptibility and varies as $1\ensuremath{-}{(\frac{T}{17})}^{2}$ for $T\ensuremath{\ll}{T}_{\mathrm{K}}$. A Korringa relation ${T}_{1}T{(\ensuremath{\Delta}K)}^{2}=\mathrm{const}$ is found, in agreement with recent calculations of the dynamic susceptibility.

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