Figure 1

Atomic structures of two representative boron monolayers on Cu(111) surface.
(a), (b): g2/15-sheet; (c), (d): triangular sheet. (a), (c): top views; (b), (d): side views.
Atomic structures of two representative boron monolayers on Cu(111) surface.
(a), (b): g2/15-sheet; (c), (d): triangular sheet. (a), (c): top views; (b), (d): side views.