High-temperature metallization of the Ge(111) surface detected by photoemission spectroscopyA. Santoni, V. R. Dhanak, A. Goldoni, M. Sancrotti and S. ModestiEurophys. Lett., 34 4 (1996) 275-280DOI: https://doi.org/10.1209/epl/i1996-00450-8