Fig. 4From: First-Principles Study on the Stability and STM Image of BoropheneTop and side views of boron sheets on Ag(111) surface. a Buckled triangular, b β12, c χ3, and d χ3’ boron sheet. The green and gray balls represent boron and silver atoms, respectively. The rectangles and rhombus enclosed by solid black lines denote the unit cells of boron sheets on the Ag(111) surfaceBack to article page