Preparation of Y-Ba-Cu-O thin films on MgO by dc magnetron sputtering from a stoichiometric Y1Ba2Cu3O7-δ target

Lee, S. J.; Rippert, E. D.; Jin, B. Y.; Song, S. N.; Hwu, S. J.; Poeppelmeier, K.; Ketterson, J. B.
October 1987
Applied Physics Letters;10/12/1987, Vol. 51 Issue 15, p1194
Academic Journal
Y-Ba-Cu-O thin films have been deposited on MgO substrates by dc magnetron sputtering from a stoichiometric YBa2Cu3O7-δ target, after which they are subjected to a short heat treatment. Zero resistance is routinely achieved near 60 K, and one film shows zero resistance at 68.0 K.


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