Two-Dimensional Cu2Si Monolayer with Planar Hexacoordinate Copper and Silicon Bonding Yang, Li-Ming ; Bačić, Vladimir ; Popov, Ivan A. ; Boldyrev, Alexander I. ; Heine, Thomas ; Frauenheim, Thomas ; Ganz, Eric Abstract Publication: Journal of the American Chemical Society Pub Date: February 2015 DOI: 10.1021/ja513209c Bibcode: 2015JAChS.137.2757Y