YBCO coated conductors by reactive thermal co-evaporation U. Schmatz, Ch. Hoffmann, M. Bauer, R. Metzger, P. Berberich et H. Kinder J. Phys. IV France, 11 PR11 (2001) Pr11-109-Pr11-113 DOI: 10.1051/jp4:20011117