Electronic band structure in pristine and Sulfur-doped Ta${}_2$NiSe${}_5$

Tanusree Saha, Luca Petaccia, Barbara Ressel +4

We present an angle-resolved photoemission study of the electronic band structure of the excitonic insulator Ta${}_2$NiSe${}_5$, as well as its evolution upon Sulfur doping. Our experi…