Origin of Indirect Optical Transitions in Few-Layer MoS2, WS2, and WSe2 - Zhao, Weijie; Ribeiro, R. M; Toh, Minglin; Carvalho, Alexandra; Kloc, Christian; Castro Neto, A. H; Eda, Goki (Nano letters, 2013)
Keywords: Condensed matter: electronic structure, electrical, magnetic, and optical properties; Condensed matter: structure, mechanical and thermal properties; Electron states; Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures; Electronic structure of nanoscale materials : clusters, nanoparticles, nanotubes, and nanocrystals; Exact sciences and technology; Excitons and related phenomena; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation; Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures; Physics; Thermal properties of condensed matter; Thermal properties of small particles, nanocrystals, nanotubes; strain; Transition metal dichalcogenides; indirect band gap; thermal expansion; exciton; photoluminescence spectroscopy; Conduction bands; Thermal expansion; Temperature dependence; Multilayers; Band structure; Electronic structure; Excitons; Semiconductor materials; Multilayer; Anisotropy; Photoluminescence; Optical transition