Deposition of high quality YBa2Cu3O7−δ thin films over large areas by pulsed laser ablation with substrate scanning - Davis, M. F.; Wosik, J.; Forster, K.; Deshmukh, S. C.; Rampersad, H. R.; Shah, S.; Siemsen, P.; Wolfe, J. C.; Economou, D. J. (American Institute of Physics (AIP), 1991)
http://dx.doi.org/10.1063/1.347611
Keywords: U