Probing the interplay of interactions, screening and strain in monolayer MoS2 via self-intercalation

Abstract Controlling many-body interactions in two-dimensional systems remains a formidable task from the perspective of both fundamental physics and application. Here, we explore remarkable electronic structure alterations of MoS 2 monolayer islands on graphene on Ir(111) induced by non-invasive self-intercalation. This introduces significant differences in morphology and strain of MoS 2 as a result of the modified interaction with the substrate. Consequently, considerable changes of the band gap and non-rigid electronic shifts of valleys are detected, which are a combined effect of the screening of the many-body interactions and strain in MoS 2 . Furthermore, theory shows that each substrate leaves a unique stamp on the electronic structure of two-dimensional material in terms of those two parameters, restricted by their correlation.

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Publication Details

Journal
npj 2D Materials and Applications
Published
2024-09-12
DOI
https://doi.org/10.1038/s41699-024-00488-3
Citations
3
Primary Topic
2D Materials and Applications
Type
article
Field-Weighted Citation Impact
0.35

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article

Probing the interplay of interactions, screening and strain in monolayer MoS2 via self-intercalation

Marko Kralj, A Bremerich, Matko Mužević, Jiaqi Cai et al.
3 citations
npj 2D Materials and Applications
2D Materials and Applications
0.35
article

Probing the interplay of interactions, screening and strain in monolayer MoS2 via self-intercalation

Marko Kralj, A Bremerich, Matko Mužević, Jiaqi Cai, Borna Pielić, Iva Šrut Rakić, Dino Novko, Carsten Busse, Robin Ohmann
article en
3 citations

Abstract

Abstract Controlling many-body interactions in two-dimensional systems remains a formidable task from the perspective of both fundamental physics and application. Here, we explore remarkable electronic structure alterations of MoS 2 monolayer islands on graphene on Ir(111) induced by non-invasive self-intercalation. This introduces significant differences in morphology and strain of MoS 2 as a result of the modified interaction with the substrate. Consequently, considerable changes of the band gap and non-rigid electronic shifts of valleys are detected, which are a combined effect of the screening of the many-body interactions and strain in MoS 2 . Furthermore, theory shows that each substrate leaves a unique stamp on the electronic structure of two-dimensional material in terms of those two parameters, restricted by their correlation.

npj 2D Materials and ApplicationsVol. 8(1)
University of Siegen (DE), Folkwang University of the Arts (DE), Institute of Physics (HR), University of Osijek (HR)
Znanstveni centar izvrsnosti za napredne materijale i senzore, Hrvatska Zaklada za Znanost, European Commission, Deutsche Forschungsgemeinschaft, Hrvatska Zaklada za Znanost, European Regional Development Fund, H2020 Marie Skłodowska-Curie Actions
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2D Materials and Applications
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