Long-range interactions of bismuth growth on monolayer epitaxial graphene at room temperature

H. H. Chen, S. H. Su, S. L. Chang, B. Y. Cheng, C. W. Chong, J. C.A. Huang, M. F. Lin

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Long-range electronic interaction between Bismuth (Bi) adatoms on graphene formed on a 4H-SiC (0 0 0 1) substrate are clearly observed at room temperature (T = 300 K). Using scanning tunneling microscopy (STM) and density functional theory (DFT) calculations, we have demonstrated that such oscillatory interaction results mainly from the mediation of graphene Dirac-like electrons and the effect of the corrugated surface of SiC substrate. These two factors cause the observed oscillatory interaction with characteristic distribution distances and linear arrangements of Bi adatoms. The present study sheds light on understanding and controlling the nucleation of adatoms and subsequent growth of nanostructures on graphene surface.

Original languageEnglish
Pages (from-to)180-186
Number of pages7
JournalCarbon
Volume93
DOIs
Publication statusPublished - 2015 Aug 8

Fingerprint

Bismuth
Adatoms
Graphite
Graphene
Monolayers
Scanning tunneling microscopy
Substrates
Temperature
Density functional theory
Nanostructures
Nucleation
Electrons

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

Cite this

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abstract = "Long-range electronic interaction between Bismuth (Bi) adatoms on graphene formed on a 4H-SiC (0 0 0 1) substrate are clearly observed at room temperature (T = 300 K). Using scanning tunneling microscopy (STM) and density functional theory (DFT) calculations, we have demonstrated that such oscillatory interaction results mainly from the mediation of graphene Dirac-like electrons and the effect of the corrugated surface of SiC substrate. These two factors cause the observed oscillatory interaction with characteristic distribution distances and linear arrangements of Bi adatoms. The present study sheds light on understanding and controlling the nucleation of adatoms and subsequent growth of nanostructures on graphene surface.",
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Long-range interactions of bismuth growth on monolayer epitaxial graphene at room temperature. / Chen, H. H.; Su, S. H.; Chang, S. L.; Cheng, B. Y.; Chong, C. W.; Huang, J. C.A.; Lin, M. F.

In: Carbon, Vol. 93, 08.08.2015, p. 180-186.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Long-range interactions of bismuth growth on monolayer epitaxial graphene at room temperature

AU - Chen, H. H.

AU - Su, S. H.

AU - Chang, S. L.

AU - Cheng, B. Y.

AU - Chong, C. W.

AU - Huang, J. C.A.

AU - Lin, M. F.

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AB - Long-range electronic interaction between Bismuth (Bi) adatoms on graphene formed on a 4H-SiC (0 0 0 1) substrate are clearly observed at room temperature (T = 300 K). Using scanning tunneling microscopy (STM) and density functional theory (DFT) calculations, we have demonstrated that such oscillatory interaction results mainly from the mediation of graphene Dirac-like electrons and the effect of the corrugated surface of SiC substrate. These two factors cause the observed oscillatory interaction with characteristic distribution distances and linear arrangements of Bi adatoms. The present study sheds light on understanding and controlling the nucleation of adatoms and subsequent growth of nanostructures on graphene surface.

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