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Physica B+C
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.
H. Rohrer, B. Derighetti, et al.
Physica B+C
G. Binnig, H. Rohrer, et al.
Surface Science
G. Binnig, H. Rohrer
Surface Science
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Sensors and Actuators, A: Physical