Abstract
The temperature dependence of the resistivity of a Pd-0.78-at.% Fe alloy and a Pd-0.73-at.% Co alloy has been measured in the temperature region 1.4-20 K, and in applied fields up to 60 kOe. These data can be fitted simply by including the effects of the applied field in a model due to Long and Turner; this model, based on $s$-electron scattering from collective excitations in the coupled impurity-moment $d$-band system of the alloy, satisfactorily accounts for the majority of the zero-field properties of this class of alloy. Analysis of the $\mathrm{Pd}\mathrm{Fe}$ data yields $g=2$, while the acoustic spin-wave stiffness $D$ is found to be field dependent. Various origins of this field dependence are discussed. For the $\mathrm{Pd}\mathrm{Co}$ system this scheme of analysis requires the splitting factor $g$ to be significantly less than 2. The $D$ is again found to be field dependent.
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