Table 2 Back bond angles of restatoms.

From: Visualization of the local dipole moment at the Si(111) surface using DFT calculations

Restatom

Stacking

Back bond angle (Deg.)

\((2\times 2)\)

(Unfaulted)

118.7

\((7\times 7)\)

Unfaulted

117.5

\((7\times 7)\)

Faulted

115.5

  1. The labels correspond to those in Fig. 4. Due to the symmetry, the three back bonds of each restatom are distinguished into two types in the (\(7\times 7\)) surface, but the average values are shown here.