3 papers
cond-mat.mtrl-sci2023
The optical absorption in indirect semiconductor to semimetal PtSe2 arises from direct transitions
Marin Tharrault, Sabrine Ayari, Mehdi Arfaoui +12
is a van der Waals material transitioning from an indirect bandgap semiconductor to a semimetal with increasing thickness. Its absorption threshold has been conjectur…
cond-mat.mes-hall2023
Electroluminescence and Energy Transfer Mediated by Hyperbolic Polaritons
L. Abou-Hamdan, A. Schmitt, R. Bretel +26
Under high electrical current, some materials can emit electromagnetic radiation beyond incandescence. This phenomenon, referred to as electroluminescence, leads to the efficient e…
cond-mat.mtrl-sci2023
Raman spectroscopy of monolayer to bulk PtSe2 exfoliated crystals
Marin Tharrault, Eva Desgué, Dominique Carisetti +4
Raman spectroscopy is widely used to assess the quality of 2D materials thin films. This report focuses on , a noble transition metal dichalcogenide which has the rema…