Quantum interference effects in concentrated Ni–Fe–Cr alloys
V. I. PecherskayaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR. Khar’kovА. В. БутенкоPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR. Khar’kovD. N. Bol’shutinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR. Khar’kov
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The temperature dependences of the electric resistance, magnetoresistance, and magnetic susceptibility of concentrated nickel-based alloys were studied. Electric resistance minima, which are virtually unaffected by the applied magnetic field, were observed at low temperatures. Changes in the magnetoresistance in alloys with different compositions were studied. Careful analysis of the observed effects made it possible to describe them on the basis of the quantum theory of weak localization and interaction of electrons in disordered systems.
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