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Resistivity saturation in fcc La under high pressure
Umeå University, Faculty of Science and Technology, Physics.
1992 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 69, no 18, 2693-2696 p.Article in journal (Refereed) Published
Abstract [en]

Data are presented for the electrical resistivity ρ of fcc La as a function of T and p in the range 70 to 700 K and 0 to 1.25 GPa. The data are analyzed using the phenomenological ‘‘parallel resistivity’’ formula for resistivity saturation, which describes very well the T dependences of both ρ and its pressure coefficient. The pressure coefficients of the electron-phonon interaction parameter and Tc are calculated from the p dependence of the electron-phonon component, and the p dependence of the parallel saturation resistivity is obtained from band-structure calculations using a simple Bloch-Boltzmann model. In both cases excellent agreement with experiment is found.

Place, publisher, year, edition, pages
1992. Vol. 69, no 18, 2693-2696 p.
Keyword [en]
Resistivity saturation, electrical conductivity, resistivity, metals, La, high pressure
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-26557DOI: 10.1103/PhysRevLett.69.2693OAI: oai:DiVA.org:umu-26557DiVA: diva2:272359
Available from: 2009-10-15 Created: 2009-10-15 Last updated: 2017-12-12

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Publisher's full texthttp://link.aps.org/doi/10.1103/PhysRevLett.69.2693

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