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Introducing strong correlation effects into graphene by gadolinium intercalation

Link, S. ; Forti, S. ; Stöhr, A. ; Küster, K. ; Rösner, M. ; Hirschmeier, D. ; Chen, C. ; Avila, J. ; Asensio, M. C. and Zakharov, A. A. LU , et al. (2019) In Physical Review B 100(12).
Abstract

Exotic ordered ground states driven by electronic correlations are expected to be induced in monolayer graphene when doped to the Van Hove singularity. Such doping levels are reached by intercalating Gd in graphene on SiC(0001), resulting in a strong homogeneity and stability. The electronic spectrum now exhibits severe renormalizations. Flat bands develop which are driven by electronic correlations according to our theoretical studies. Due to strong electron-phonon coupling in this regime, polaron replica bands develop. Thus, interesting ordered ground states should be made accessible.

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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review B
volume
100
issue
12
article number
121407
publisher
American Physical Society
external identifiers
  • scopus:85073240297
ISSN
2469-9950
DOI
10.1103/PhysRevB.100.121407
language
English
LU publication?
yes
id
0d9e63e3-7864-4582-96fa-d64fe6d84da8
date added to LUP
2019-10-23 12:53:47
date last changed
2022-04-18 18:19:34
@article{0d9e63e3-7864-4582-96fa-d64fe6d84da8,
  abstract     = {{<p>Exotic ordered ground states driven by electronic correlations are expected to be induced in monolayer graphene when doped to the Van Hove singularity. Such doping levels are reached by intercalating Gd in graphene on SiC(0001), resulting in a strong homogeneity and stability. The electronic spectrum now exhibits severe renormalizations. Flat bands develop which are driven by electronic correlations according to our theoretical studies. Due to strong electron-phonon coupling in this regime, polaron replica bands develop. Thus, interesting ordered ground states should be made accessible.</p>}},
  author       = {{Link, S. and Forti, S. and Stöhr, A. and Küster, K. and Rösner, M. and Hirschmeier, D. and Chen, C. and Avila, J. and Asensio, M. C. and Zakharov, A. A. and Wehling, T. O. and Lichtenstein, A. I. and Katsnelson, M. I. and Starke, U.}},
  issn         = {{2469-9950}},
  language     = {{eng}},
  number       = {{12}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review B}},
  title        = {{Introducing strong correlation effects into graphene by gadolinium intercalation}},
  url          = {{http://dx.doi.org/10.1103/PhysRevB.100.121407}},
  doi          = {{10.1103/PhysRevB.100.121407}},
  volume       = {{100}},
  year         = {{2019}},
}