INTERFACE PHENOMENA IN THE FIELD ION AND FIELD ELECTRON ENERGY SPECTROSCOPY OF HIGH-Tc SUPERCONDUCTORS N. ERNST, G. BOZDECH, W. A. SCHMIDT, M. NASCHITZKI et A. J. MELMEDJ. Phys. Colloques, 50 C8 (1989) C8-471-C8-475DOI: https://doi.org/10.1051/jphyscol:1989880