G I Kulesko
Articles written in Pramana – Journal of Physics
Volume 28 Issue 5 May 1987 pp 509-516
If the static disorder in a system is increased the conductivity and the electron mean free path decreases to the limit where it reaches the Ioffe-Regal criterion. In this paper experimental results are presented which show that dynamic disorder (produced by electronphonon interaction) can produce similar effects as static disorder. In certain metallic glasses it has been found that when the resistivity as a function of temperature reaches a critical value (almost equal to the maximum metallic resistivity value) the TCR changes from positive to negative values.
Volume 28 Issue 5 May 1987 pp 594-594 Abstracts
As a result of strong electron-phonon interaction, the enhancement of scattering with increasing temperature may decrease the mean free path
The saturation of resistivity was investigated experimentally on (i) Cu-Zr alloys in the crystalline state, (ii) single crystals of WO2, which is a metal with well-defined Fermi surface.
The samples of Cu-Zr were produced by the recrystallization of amorphous ribbon. Some of these samples reveal resistivity saturation. With further increase of
The WO2 crystals were used to study the anisotropy of (
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