On resistivity correlation in Ni–Cr–Fe alloys with density of electron states
V. I. PecherskayaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovА. В. БутенкоPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. I. KopeliovichPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
ABI
Аннотация
An analysis of the temperature dependence of the resistivity ρ(T) for alloys of the Ni–Cr–Fe system reveals that at T ≃100–300 K, the resistivity ρ changes linearly with temperature. Such a dependence ρ(T) can be explained by the phonon mechanism of conduction electron scattering taking into account the s- and d- charge carriers. The concentration dependence of the slope of straight lines ρ(T) is determined by the corresponding dependence of the density of electron states of these alloys.
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