Low-Energy Phases of Bi Monolayer Predicted by Structure Search in Two Dimensions - Singh, Sobhit (Rutgers University. Department of Physics and Astronomy) ; Zanolli, Zeila (Institut Català de Nanociència i Nanotecnologia) ; Amsler, Maximilian (Cornell University) ; Belhadji, Brahim (Université de Liège) ; Sofo, Jorge O. (Pennsylvania State University) ; Verstraete, Matthieu J. (Institut Català de Nanociència i Nanotecnologia) ; Romero, Aldo (West Virginia University. Physics and Astronomy Department)