Abstract
The electronic properties of Cu1-xTix metallic glasses (x=0.4, 0.5 and 0.6) have been studied through measurements of the low-temperature specific heat, the magnetic susceptibility and the electrical resistivity. The electronic specific heat coefficient increases with increasing Ti content. This behaviour is consistent with the UPS results and indicates the dominant contribution of the Ti 3d states at EF. The magnetic susceptibility of the amorphous phase is temperature independent and is of the order of 10-4 EMU mol.-1. It also increases with increasing Ti content. The presence of a large orbital paramagnetism is deduced and attributed to the unfilled d states at EF. The electrical resistivity increases with decreasing temperature for all alloys studied. The Ziman theory cannot be applied for such highly resistive alloys. The low-temperature resistivity below 100K does not fit to the relation rho = rho 0-AT2 (A>0), suggesting that an extra scattering mechanism is present and supersedes the effect due to the temperature dependence of the Debye-Waller factor.
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