Abstract

Measurements of electrical resistivity, magnetoresistance and Hall effect on amorphous Ni100−xTix alloys withx=39, 43, 60, 65, 70, and 76 are presented. The resistivity at 4.2 K is in the range 210 μΔcm to 325 μΔcm. The Hall coefficient turns out to be negative for low Ti contents and positive for high Ti contents with values around −6×10−11 m3/As and +7×10−11 m3/As, respectively. At low temperatures, the temperature and magnetic field dependences of the quantities measured are analysed and discussed in terms of weak localisation and electron-electron interaction effects.

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