Thermally activated conductivity in Ti-based alloys exhibiting negative TCR

Autor: Shcherbakov, A. S., Prekul, A. F., Pomortsev, R. V.
Zdroj: Philosophical Magazine B; January 1983, Vol. 47 Issue: 1 p63-72, 10p
Abstrakt: The temperature dependences of resistivity of a number of transition metal Ti-based alloys have been studied in detail. It is shown that the conductivity of these alloys consists of three additive contributions, viz. (1) a T-independent metallic part, (2) a thermally activated part which obeys the Mott T1/4 law, and (3) a thermally activated part with T-independent activation energy. This coexistence of metallic and thermally activated conductivities is quite unusual and requires a theoretical explanation.
Databáze: Supplemental Index