Abstract
The authors have measured the low-temperature specific heats in the range 1.5-6 K, the magnetic susceptibilities in the range 77-300 K and the electrical resistivities in the range 2-300 K for four Ni100-xTix (x=40, 55, 65 and 70) metallic glasses. The density of states near the Fermi level is found to be an increasing function of Ti concentration. A detailed comparison has been made on the electronic structure among the four similar metallic glasses Cu-Zr, Cu-Ti, Ni-Zr and Ni-Ti. The Debye temperature theta D in Ni-Ti is found to be the highest among these four systems. The Debye temperature theta D is discussed in relation to the crystallisation temperature Tx and also the characteristic temperature Delta involved in an expression for the temperature dependence of the electrical resistivity.
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