Raman Spectra and Excitonic Effects of the novel Ta${}_2$Ni${}_3$Te${}_5$ Monolayer

Alexandre C. Dias, Raphael M. Tromer, Humberto R. Gutiérrez +2

We have investigated the Raman spectrum and excitonic effects of the novel two-dimensional Ta${}_2$Ni${}_3$Te${}_5$ structure. The monolayer is an indirect band gap semiconductor with an…