EARLY STAGES OF METAL-Si (Ge) COUMPOUND FORMATION : A FIM STUDY OF INTERFACIAL ATOMIC STRUCTURES H. F. LIU, H. M. LIU et T. T. TSONGJ. Phys. Colloques, 47 C7 (1986) C7-327-C7-332DOI: https://doi.org/10.1051/jphyscol:1986756