Published online by Cambridge University Press: 28 February 2011
High Tc Y-Ba-Cu-O superconducting thin films have been successfully deposited by DC sputtering techniques with excellent adhesion properties. Onset temperature of 95K had been achieved without any heat treatment nor annealing. Typical deposition rate is 1–2A/sec. It is possible to fabricate the superconducting thin films on a variety of substrates with this techniques, i.e., SiO2, Si and MgO. Analysis indicated that the films were predominantly the orthorhombic perovskite structure with traces of copper oxide.