Pressure Effect on the Resistance Minimum in Antiferromagnetic Cr–Fe and Cr–Co Alloys
1980
It has been reported that the effect of pressure on the resistance minimum is anomalously large in antiferromagnetic Cr –Fe and Cr –Co alloys. These experimental results are analyzed on the basis of the Kondo effect, and the Kondo temperature and the spin resistivity are estimated. The magnitude of the spin resistivity is found to depend strongly on both the Neel temperature and the Kondo temperature, and it can be explained well by applying the theory of the magnetoresistance in the Kondo effect. The properties of local moments on Fe and Co atoms are intimately related to the magnetic state of the alloy and these characteristic behaviors are also discussed briefly from the viewpoint of the Kondo effect.
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