材料期刊网

The x-ray photoelectron spectrum (XPS) and the superconducting critical temperature T-c have been measured for the metallic glass Zr-76(FexCu1-x) with x = 0.1, 0.2, 0.4, 0.6, 0.8 and 1.0. The results show that the density of electron states at the Fermi level increases while T-c decreases as the amount of Fe increases. This implies the spin fluctuation role depresses T-c effectively. The McMillan equation including the spin fluctuation effect has been used to estimate the T-c behaviour. The doping effects of elemental Fe in this system are discussed.