Understanding the origin of superconducting dome in electron-doped MoS2 monolayer
Abstract We investigate the superconducting properties of molybdenum disulfide (MoS2) monolayer across a broad doping range, successfully recreating the so far unresolved superconducting dome. Our first-principles findings reveal several dynamically stable phases across the doping-dependent phase di...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-05-01
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| Series: | npj 2D Materials and Applications |
| Online Access: | https://doi.org/10.1038/s41699-025-00563-3 |
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| author | Nina Girotto Erhardt Jan Berges Samuel Poncé Dino Novko |
| author_facet | Nina Girotto Erhardt Jan Berges Samuel Poncé Dino Novko |
| author_sort | Nina Girotto Erhardt |
| collection | DOAJ |
| description | Abstract We investigate the superconducting properties of molybdenum disulfide (MoS2) monolayer across a broad doping range, successfully recreating the so far unresolved superconducting dome. Our first-principles findings reveal several dynamically stable phases across the doping-dependent phase diagram. We observe a doping-induced increase in the superconducting transition temperature T c , followed by a reduction in T c due to the formation of charge density waves (CDWs), polaronic distortions, and structural transition from the H to the 1T′ phase. Our work reconciles various experimental observations of CDWs in MoS2 with its doping-dependent superconducting dome structure, which occurs due to the 1 × 1 H to 2 × 2 CDW phase transition. |
| format | Article |
| id | doaj-art-019ca8a93f1a4366a0debdf7fec415c8 |
| institution | DOAJ |
| issn | 2397-7132 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | npj 2D Materials and Applications |
| spelling | doaj-art-019ca8a93f1a4366a0debdf7fec415c82025-08-20T03:22:07ZengNature Portfolionpj 2D Materials and Applications2397-71322025-05-019111110.1038/s41699-025-00563-3Understanding the origin of superconducting dome in electron-doped MoS2 monolayerNina Girotto Erhardt0Jan Berges1Samuel Poncé2Dino Novko3Centre for Advanced Laser Techniques, Institute of PhysicsU Bremen Excellence Chair, Bremen Center for Computational Materials Science, and MAPEX Center for Materials and Processes, Universität BremenEuropean Theoretical Spectroscopy Facility, Institute of Condensed Matter and Nanosciences, Université catholique de LouvainCentre for Advanced Laser Techniques, Institute of PhysicsAbstract We investigate the superconducting properties of molybdenum disulfide (MoS2) monolayer across a broad doping range, successfully recreating the so far unresolved superconducting dome. Our first-principles findings reveal several dynamically stable phases across the doping-dependent phase diagram. We observe a doping-induced increase in the superconducting transition temperature T c , followed by a reduction in T c due to the formation of charge density waves (CDWs), polaronic distortions, and structural transition from the H to the 1T′ phase. Our work reconciles various experimental observations of CDWs in MoS2 with its doping-dependent superconducting dome structure, which occurs due to the 1 × 1 H to 2 × 2 CDW phase transition.https://doi.org/10.1038/s41699-025-00563-3 |
| spellingShingle | Nina Girotto Erhardt Jan Berges Samuel Poncé Dino Novko Understanding the origin of superconducting dome in electron-doped MoS2 monolayer npj 2D Materials and Applications |
| title | Understanding the origin of superconducting dome in electron-doped MoS2 monolayer |
| title_full | Understanding the origin of superconducting dome in electron-doped MoS2 monolayer |
| title_fullStr | Understanding the origin of superconducting dome in electron-doped MoS2 monolayer |
| title_full_unstemmed | Understanding the origin of superconducting dome in electron-doped MoS2 monolayer |
| title_short | Understanding the origin of superconducting dome in electron-doped MoS2 monolayer |
| title_sort | understanding the origin of superconducting dome in electron doped mos2 monolayer |
| url | https://doi.org/10.1038/s41699-025-00563-3 |
| work_keys_str_mv | AT ninagirottoerhardt understandingtheoriginofsuperconductingdomeinelectrondopedmos2monolayer AT janberges understandingtheoriginofsuperconductingdomeinelectrondopedmos2monolayer AT samuelponce understandingtheoriginofsuperconductingdomeinelectrondopedmos2monolayer AT dinonovko understandingtheoriginofsuperconductingdomeinelectrondopedmos2monolayer |