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2000 | 97 | 3 | 399-402
Article title

Transport Properties of the U_{1-x}Th_{x}Pt System

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Abstracts
EN
We present the results of measurements of electrical resistivity (ρ(T)) and magnetoresistance (Δϱ/ϱ_{0}(T)) on the solid solutions U_{1-x}Th_{x}Pt (x=0-0.8). The Curie temperature (T_{c}=21 K) found for the parent compound UPt, is steadily reduced upon the Th-substitution. The ρ(T) and Δϱ/ϱ_{0}(T) functions provide evidence of electron scattering due to spin fluctuations. The most interesting feature of Δϱ/ϱ_{0} is its high value of about -22% found for UPt and U_{0.9}Th_{0.1}Pt at their T_{c} and B=8 T. For samples with x ≥ 0.2, the value of Δϱ/ϱ_{0} at 4 K and 8 T increases with x and becomes positive for Th-composition x >= 0.6.
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  • W. Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wrocław, Poland
author
  • W. Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wrocław, Poland
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bwmeta1.element.bwnjournal-article-appv97z309kz
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