Formation of film superconductors by metallo-organic deposition

Abstract From the Canadian patent

Abstract of the Disclosure Superconducting thin films of RE1Ba2Cu4Oz where RE is a rare earth metal chosen from the group consisting of yttrium, ytterbium, and europium are produced in a non-vacuum environment using Metallo-Organic Deposition techniques. A solution comprising the neodecanoates of the rare earth metal barium, and copper is formed and spun on a single crystal substrate of strontium titanate. The metallo-organic solutions are heated in an air environment at a temperature sufficient to decompose the neodecanoates, about 500°C, and then annealed to promote recrystallization and grain growth of the remaining metal oxides. The annealing step is preferably accomplished using rapid …