Enhanced Shift Currents in Monolayer 2D GeS and SnS by Strain-Induced Band Gap Engineering - Ngeywo Tolbert Kaner; Yadong Wei; Yingjie Jiang; Weiqi Li; Xiaodong Xu; Kaijuan Pang; Xingji Li; Jianqun Yang; YongYuan Jiang; Guiling Zhang; Wei Quan Tian (ACS Omega, 2020)