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Resistivity saturation in fcc La under high pressure
-
- Sundqvist, Bertil (author)
- Umeå universitet,Institutionen för fysik
- (creator_code:org_t)
- 1992
- 1992
- English.
- In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 69:18, s. 2693-2696
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Resistivity saturation
- electrical conductivity
- resistivity
- metals
- La
- high pressure
- Condensed matter physics
- Kondenserade materiens fysik
- fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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