Figure 1

Crystal structure, Brillouin zone, and electronic structure of WSe₂. (a) Top and side views of the atomic structure of 2H-WSe₂. (b) First Brillouin zone and its planar projection. (c) X-ray photoemission spectroscopy data taken from a cleaved WSe₂ crystal using 1200-eV photons. (d) Bulk band structure obtained by DFT calculations¹¹.