Abstract
Results of the measurements of the electrical resistivity, magnetization, and magneto-resistivity of amorphous FexCr2−xPd78Si20 alloys (0≤x≤2) are presented. Both the electrical and magnetic properties are affected considerably by small amounts of Fe (∼0.5 at.%). A large internal field due to the interactions between the magnetic atoms and a reduction of about 60% of the s-d exchange integral seem to explain the suppression of the Kondo effect in the Cr–Pd–Si alloys containing small amounts of Fe. The present results also show that the scattering of the data for the resistivity minimum temperature and for the magnetoresistivity previously found in the amorphous Cr–Pd–Si alloys can be attributed to the Fe impurities present in Pd.
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