High resolution photoemission spectroscopy of flat and stepped non reconstructed H/Si(111) surfaces A. Taleb-Ibrahimi, R. Günther, P. Dumas, G . Indlekofer, Y.J. Chabal et Y. Petroff J. Phys. IV France, 04 C9 (1994) C9-89-C9-95 DOI: 10.1051/jp4:1994911