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Electron-electron interaction effects in TiAl alloys

✍ Scribed by J.J. Lin; C.Y. Wu

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
143 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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✦ Synopsis

We have measured the resistivities p of Til_=AI= alloys (x < 0.135) between 4 and 25 K. As the temperature T is lowered, a resistivity rise Ap/v'~ ~ _p2.5 is observed. The absolute magnitude of this rise is consistent within a factor ~ 1.5 with the prediction of the electron-electron interaction theory.

In the past decade or so, it has been realized that electron-electron interaction effects are indispensable in understanding the electronic conduction in disordered metals [1,2]. At low temperatures, the interaction effects result in a temperaturedependent correction, Ap, to the residual resistivity p~. It has also been realized

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