Determination of the energy gap in a thin YBa2Cu3O7−x film by Andreev reflection and by tunnelingH. Hoevers, D. van der Marel, A.J.G. Schellingerhout et al.|Physica C Superconductivity|1988Cited by 59
Analysis of Y1Ba2Cu3O7−y thin films on sapphire substrates made by electron beam evaporationA.J.G. Schellingerhout, J. E. Mooij, R.H.M. van de Leur et al.|Zeitschrift für Physik B Condensed Matter|1988Cited by 8