Atomic-Site-Dependent Pairing Gap in Monolayer FeSe/SrTiO3(001)–(√13 × √13)
Cui Ding,
Zhongxu Wei,
Wenfeng Dong
et al.
Abstract:The interfacial FeSe/TiO 2−δ coupling induces hightemperature superconductivity in monolayer FeSe films. Using cryogenic atomically resolved scanning tunneling microscopy/spectroscopy, we obtained atomic-site dependent surface density of states, work function, and the pairing gap in the monolayer FeSe on the SrTiO 3 (001)−(√13 × √13)−R33.7°surface. Our results disclosed the out-of-plane Se−Fe−Se triple layer gradient variation, switched DOS for Fe sites on and off TiO 5□ , and inequivalent Fe sublattices, whic… Show more
Set email alert for when this publication receives citations?
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.