Publication
Physical Review Letters
Paper

Nonuniversality of the mooij correlationthe temperature coefficient of electrical resistivity of disordered metals

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Abstract

By using compiled, updated experimental data, we have demonstrated that the correlation between the temperature coefficient of electrical resistivity ± and the resistivity for disordered metals at room temperature is not universal. The origin of the nonuniversality of the Mooij correlation stems mostly from a competition between the quantum mechanical effects of incipient localization and the classical Boltzmann electron transport. Results of a numerical analysis based on localization indicate that there is a unique and monotonic correlation between and for a specific disordered metallic system, in accord with the essential features of our new Mooij (vs) plot. © 1986 The American Physical Society.

Date

13 Oct 1986

Publication

Physical Review Letters

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