Preparation, Characterisation and Dielectric Properties of YBa2Cu3O7-δ/ Insulator-Heterostructures C. Schwan, A. Schattke, S. Eckert, H. Adrian, B. Schiener et A. Loidl J. Phys. IV France, 06 C3 (1996) C3-321-C3-325 DOI: 10.1051/jp4:1996349