Strain-Induced Indirect to Direct Bandgap Transition in Multilayer WSe2 Desai, Sujay B. ; Seol, Gyungseon ; Kang, Jeong Seuk ; Fang, Hui ; Battaglia, Corsin ; Kapadia, Rehan ; Ager, Joel W. ; Guo, Jing ; Javey, Ali Abstract Publication: Nano Letters Pub Date: August 2014 DOI: 10.1021/nl501638a Bibcode: 2014NanoL..14.4592D