Substrate-enhanced superconductivity in Li-decorated graphene

Thaneshwor P. Kaloni, Alexander V. Balatsky, Udo Schwingenschlögl

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

We investigate the role of the substrate for the strength of the electron-phonon coupling in Li-decorated graphene. We find that the interaction with a h-BN substrate leads to a significant enhancement from to , which corresponds to a 25% increase of the transition temperature from to . The superconducting gaps amount to 1.56 meV (suspended) and 1.98 meV (supported). These findings open up a new route to enhanced superconducting transition temperatures in graphene-based materials by substrate engineering. © 2013 EPLA.
Original languageEnglish (US)
Pages (from-to)47013
JournalEPL (Europhysics Letters)
Volume104
Issue number4
DOIs
StatePublished - Dec 16 2013

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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