Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.88.195437
Title: Excitonic collapse in semiconducting transition-metal dichalcogenides
Authors: Rodin, A.S.
Castro Neto, A.H. 
Issue Date: 27-Nov-2013
Citation: Rodin, A.S., Castro Neto, A.H. (2013-11-27). Excitonic collapse in semiconducting transition-metal dichalcogenides. Physical Review B - Condensed Matter and Materials Physics 88 (19) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.88.195437
Abstract: Semiconducting transition metal dichalcogenides (STMDC) are two-dimensional (2D) crystals characterized by electron-volt-size band gaps, spin-orbit coupling (SOC), and d-orbital character of its valence and conduction bands. We show that these materials carry unique exciton quasiparticles (electron-hole bound states) with energy within the gap but which can "collapse" in the strong coupling regime by merging into the band structure continuum. The exciton collapse seems to be a generic effect in these 2D crystals. © 2013 American Physical Society.
Source Title: Physical Review B - Condensed Matter and Materials Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/96549
ISSN: 10980121
DOI: 10.1103/PhysRevB.88.195437
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