Superhard and Superconducting Bilayer Borophene

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dc.citation.articleNumber1967en_US
dc.citation.issueNumber9en_US
dc.citation.journalTitleMaterialsen_US
dc.citation.volumeNumber17en_US
dc.contributor.authorZhong, Chengyongen_US
dc.contributor.authorSun, Mingleien_US
dc.contributor.authorAltalhi, Tariqen_US
dc.contributor.authorYakobson, Boris I.en_US
dc.date.accessioned2024-10-08T13:27:48Zen_US
dc.date.available2024-10-08T13:27:48Zen_US
dc.date.issued2024en_US
dc.description.abstractTwo-dimensional superconductors, especially the covalent metals such as borophene, have received significant attention due to their new fundamental physics, as well as potential applications. Furthermore, the bilayer borophene has recently ignited interest due to its high stability and versatile properties. Here, the mechanical and superconducting properties of bilayer-δ6 borophene are explored by means of first-principles computations and anisotropic Migdal–Eliashberg analytics. We find that the coexistence of strong covalent bonds and delocalized metallic bonds endows this structure with remarkable mechanical properties (maximum 2D-Young’s modulus of ~570 N/m) and superconductivity with a critical temperature of ~20 K. Moreover, the superconducting critical temperature of this structure can be further boosted to ~46 K by applied strain, which is the highest value known among all borophenes or two-dimensional elemental materials.en_US
dc.identifier.citationZhong, C., Sun, M., Altalhi, T., & Yakobson, B. I. (2024). Superhard and Superconducting Bilayer Borophene. Materials, 17(9), Article 9. https://doi.org/10.3390/ma17091967en_US
dc.identifier.digitalmaterials-17-01967en_US
dc.identifier.doihttps://doi.org/10.3390/ma17091967en_US
dc.identifier.urihttps://hdl.handle.net/1911/117918en_US
dc.language.isoengen_US
dc.publisherMDPIen_US
dc.rightsExcept where otherwise noted, this work is licensed under a Creative Commons Attribution (CC BY) license. Permission to reuse, publish, or reproduce the work beyond the terms of the license or beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleSuperhard and Superconducting Bilayer Boropheneen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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