Superconducting Carbon‐Cage Network with Tc of 109 K at Ambient Pressure

Abstract A novel carbon‐cage network was reported, denoted as C18, found to be a low energy structure by first principles particle swarm structure search. The compound exhibits high temperature electron–phonon ambient pressure superconductivity with Tc = 79 K for elemental doping and can be raised t...

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Bibliographic Details
Main Authors: Z. F. Ye, David J. Singh, Y. N. Huang, Guo‐Hua Zhong, Hai‐Qing Lin
Format: Article
Language:English
Published: Wiley 2025-08-01
Series:Advanced Science
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Online Access:https://doi.org/10.1002/advs.202504281
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Summary:Abstract A novel carbon‐cage network was reported, denoted as C18, found to be a low energy structure by first principles particle swarm structure search. The compound exhibits high temperature electron–phonon ambient pressure superconductivity with Tc = 79 K for elemental doping and can be raised to Tc = 109 K by appropriate hole doping. Analyses of the phonon spectra, molecular dynamics simulations, and enthalpy differences relative to analogous structures synthesized experimentally all suggest that the hole‐doped high‐Tc structure is a viable candidate for experimental synthesis.
ISSN:2198-3844