On the Exact Origin of the ln T Dependence of the Resistivity of Dilute Cd-Mn Alloys

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概要

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• The resistivity and susceptibility of dilute Cd.Mn alloys have been measured in the helium temperature range. Most of the previous existing data were taken on concentrated samples above the solid solubility limit and needed correction. The susceptibility follows a Curie-Weiss law with θ=0.1±0.05°K and p_<eff>=(4.7±0.3)μ_B, yieding a Kondo temperature of the order of 25m°K. Even on dilute samples, the impurity resistivity exhibits no deviation from a ln T dependence within the experimental accuracy. Such deviation from the Kondo ln T term is expected of one takes into account the most divergent higher order terms in perturbation theory. It is fact ln T dependence can be obtained for instance with Hamann's expression of the resistivity.

• 社団法人日本物理学会の論文
• 1970-03-05

著者

• ALLOUL H.

  Laboratoire de physique des Solides, Faculte des Sciences

• DELTOUR R.

  Laboratoire de Physique des Solides, Universite libre de BRUXELLES

• CLAD R.

  Laboratoire de Physique des Solides, 3 Rue de l' Universite

• ALLOUL H.

  Laboratoire de physique des Solides, Faculte des Sciences:(Present address) Institute for Solid State Physics, University of Tokyo

• CLAD R.

  Laboratoire de Physique des Solides, 3 Rue de l' Universite:(Present address) Institut Universitaire de Technologie

関連論文

• On the Exact Origin of the ln T Dependence of the Resistivity of Dilute Cd-Mn Alloys

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