P. Odier, Z. Supardi, D. De-Barros, L. Vergnières, J. Ramirez-Castellanos, J.M. Gonzales-Calbet, M. Vallet-Regi, C. Villard, Ch. Peroz, F. Weiss
Spray pyrolysis at high temperature is reviewed and applied to the formation of epitaxial thick layers of YBa2Cu3O 7 (YBCO). The necessary conditions to enhance the texture quality and the critical current density are discussed. High critical current densities, over 1.0 MA cm-2 (at 77 K, self-field), are reported, making this technique very promising for low cost applications. This emphasizes the need for more comprehensive studies regarding the chemical phenomena involved in film deposition by spray pyrolysis at high temperature, especially those concerning local equilibrium and reactions occurring in the area involved in the deposition.
Laboratoire de Cristallographie, CNRS, 38042 Grenoble Cedex, 25 Avenue des Martyrs, France; Physics Department, Universitas Negeri Surabaya, 60231, Indonesia; Lab. des Mat. et du Genie Phys., INPG, 38406 St Martin d'Hères Cedex, France; Departamento de Quimica Inorganica I, Facultad de Ciencias Quimicas, Universidad Complutense de Madrid, 28040-Madrid, Spain; Departamento de Quimica Inorganica, Facultad de Farmacia, Universidad Complutense de Madrid, 28040-Madrid, Spain; CRTBT, 25 Avenue des Martyrs, 38042 Grenoble Cedex, France; Nexans France, 59572 Jeumont, 31 rue de l'industrie, France
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