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Type: 
Journal
Description: 
Stanene is one of the most intriguing two-dimensional (2D) materials because of its nontrivial topological properties. Here, the optical properties from THz to UV of molecular beam deposited tin nanosheets on Al2O3(0001) are reported. The experimental absorption coefficient cannot be described in terms of metallic tin or tin oxides. Nonetheless, a similar optical behavior was predicted by theory for freestanding stanene, thus suggesting the formation of the 2D tin nanosheets with stanene-like properties. These findings show that 2D tin bears appealing optical properties in a broad range of the electromagnetic spectrum, thus paving the way to Xenes-based nanophotonics.
Publisher: 
American Chemical Society
Publication date: 
10 Mar 2021
Authors: 

Carlo Grazianetti, Eleonora Bonaventura, Christian Martella, Alessandro Molle, Stefano Lupi

Biblio References: 
Volume: 4 Issue: 3 Pages: 2351-2356
Origin: 
ACS applied nano materials