Electrical contact resistance in graphite-graphene contacts from ab initio methods

Ferran Jovell, Xavier Cartoixà

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2 Citations (Scopus)


© 2018 IOP Publishing Ltd. We study the ballistic transmission and the contact resistance (R c) of a graphite-graphene contact in a top contact geometry from first principles. We find that the calculated R c's depend on the amount of graphene-graphite overlap, but quickly saturate for transfer lengths of the order of a few tens of Å. For contacts overlapping more than this transfer length, the R c can be lower than the 100 mark. On the other hand, edge graphite-graphene contacts are expected to have very low contact resistance.
Original languageEnglish
Article number325302
JournalJournal of Physics Condensed Matter
Issue number32
Publication statusPublished - 17 Jul 2018


  • DFT
  • ballistic injection
  • contact resistance
  • grapheme
  • graphite


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