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Type: 
Journal
Description: 
Herein, we explore the main features and the prospect of plasmonics with two-dimensional semiconductors. Plasmonic modes in each class of van der Waals semiconductors have their own peculiarities, along with potential technological capabilities. Plasmons of transition-metal dichalcogenides share features typical of graphene, due to their honeycomb structure, but with damping processes dominated by intraband rather than interband transitions, unlike graphene. Spin–orbit coupling strongly affects the plasmonic spectrum of buckled honeycomb lattices (silicene and germanene), while the anisotropic lattice of phosphorene determines different propagation of plasmons along the armchair and zigzag directions. Black phosphorus is also a suitable material for ultrafast plasmonics, for which the active plasmonic response can be initiated by photoexcitation with femtosecond pulses. We also review existing …
Publisher: 
Royal Society of Chemistry
Publication date: 
1 Jan 2018
Authors: 

Amit Agarwal, Miriam S Vitiello, Leonardo Viti, Anna Cupolillo, Antonio Politano

Biblio References: 
Volume: 10 Issue: 19 Pages: 8938-8946
Origin: 
Nanoscale