"As you cool this material down," Mahmood explains, "it goes through a phase transition and its properties ... light was experimentally shown to open a gap in the band structures of some non ...

Two-dimensional transition metal dichalcogenides (2D-TMDs). (a) The table shows common TMDs and their band gap. (b) A schematic illustration of the layered structure of MoS2. (c) Energy dispersion in ...

Techniques for Band Gap Engineering vary, including doping, the introduction of impurities into a semiconductor to alter its electrical properties; strain engineering, where stress is applied to ...