Magnetothermal Transport-properties of Granular Co-ag Solids

Piraux, Luc;Cassart, M.;Jiang, JS.;Xiao, JQ.;Chien, CL.
(1993) Physical Review. B, Condensed Matter — Vol. 48, n° 1, p. 638-641 (1993)

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  • Piraux, LucUCLouvain
    Author
  • Cassart, M.
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  • Jiang, JS.
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  • Xiao, JQ.
    Author
  • Chien, CL.
    Author
Abstract
Thermal conductivity and thermoelectric power have been measured between 2 K and 300 K on granular Co20Ag80 solids. As in ordinary metals, thermal conductivity is largely dominated by the electronic contribution. The Wiedemann-Franz law is found to be satisfied over the whole temperature range investigated, which is mainly ascribed to dominant large-angle elastic scattering processes. Giant magnetothermal conductivity has been observed in accordance with the giant magnetoresistance effect. The magnetothermoelectric power is negative and increases with temperature.
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Piraux, L., Cassart, M., Jiang, JS., Xiao, JQ., & Chien, CL. (1993). Magnetothermal Transport-properties of Granular Co-ag Solids. Physical Review. B, Condensed Matter, 48(1), 638-641. https://doi.org/10.1103/PhysRevB.48.638 (Original work published 1993)