G. Binnig, H. Rohrer
Surface Science
The 7 × 7 reconstruction on Si(111) was observed in real space by scanning tunneling microscopy. The experiment strongly favors a modified adatom model with 12 adatoms per unit cell and an inhomogeneously relaxed underlying top layer. © 1983 The American Physical Society.
G. Binnig, H. Rohrer
Surface Science
G. Binnig
Physica Scripta
P. Vettiger, J. Brugger, et al.
Microelectronic Engineering
A. Catana, J.G. Bednorz, et al.
Applied Physics Letters