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Updated: Jul 31, 2026

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement
Published on: November 7, 2017
Effect of magnetic impurities on energy exchange between electrons
B Huard1, A Anthore, Norman O Birge
1Quantronics Group, Service de Physique de l'Etat Condensé, DRECAM, CEA-Saclay, 91191 Gif-sur-Yvette, France.
Abstract:
In order to probe quantitatively the effect of Kondo impurities on energy exchange between electrons in metals, we have compared measurements on two silver wires with dilute magnetic impurities (manganese) introduced in one of them. The measurement of the temperature dependence of the electron phase coherence time on the wires provides an independent determination of the impurity concentration. Quantitative agreement on the energy exchange rate is found with a theory by Göppert et al. that accounts for Kondo scattering of electrons on spin-1/2 impurities.
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