Two-dimensional arsenic monolayer sheet predicted from first-principles*
Pu Chun-Yinga), Ye Xiao-Taob), Jiang Hua-Longa), Zhang Fei-Wuc),d), Lu Zhi-Wena), He Jun-Baoa), Zhou Da-Weia)†
       
Phonon band dispersion curves of arsenic sheet obtained by the finite displacement method.