The atomic structure of the $\sqrt{3}\times \sqrt{3}$ phase of silicene on Ag(111)

Seymur Cahangirov, Veli Ongun Özçelik, Lede Xian +5

The growth of the $\sqrt{3}\times \sqrt{3}$ reconstructed silicene on Ag substrate has been frequently observed in experiments while its atomic structure and formation mechanism i…