Fig. 1: Band structure analysis and Dirac states of stoichiometric Bi2Te3 nanoplatelets.
From: Resolving Dirac electrons with broadband high-resolution NMR
a High-resolution TEM and HAADF image of Bi2Te3 nanoplatelets (top view and cross-section). b Band structure of a 9-quintuplets-thick (∼10 nm) Bi2Te3 slab. c The projected k-resolved DOS of the Te(1) |5p〉 and Bi |6p〉 orbital states at the outer (edge) quintuplets, and the Te(1) |5p〉 orbital states at the central quintuplet. Dirac states are observed only at the edge quintuplets (more details in Supplementary Fig. 6).
