INVESTIGATION OF THE Au/Si (111) SURFACE STRUCTURES BY X-RAY DIFFRACTION R. FEIDENHANS'L, F. GREY, J. BOHR, M. NIELSEN et R.L. JOHNSON J. Phys. Colloques, 50 C7 (1989) C7-175-C7-179 DOI: 10.1051/jphyscol:1989717