Abstract
The electrical resistivity of nickel, cobalt and their alloys has been measured in the temperature range from 4.2 to 1600 K. By using the s-d exchange-interaction constant and the numbers of conduction electrons and hole-carriers estimated in this study, the correlation between the magnetic resistivity and the ferromagnetism is discussed from the viewpoint of the scattering process due to the spin disorder containing not only the intraband s-s transition but also the interband s-d transition. It is pointed out that the hole-carrier, which is observed in the ordinary Hall effect or the resistivity due to the phonon scattering, plays a role of the probability of interband s-d transitions in the magnetic resistivity.
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