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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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
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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| Summary: | 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. |
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| ISSN: | 2397-7132 |