Cited by 24,803Graphene research and applications2D Materials and ApplicationsQuantum and electron transport phenomena

The electronic properties of graphene

Open access
Castro Neto, A. H., Guinea, F., Peres, N. M. R., Novoselov, K. S., Geim, A. K.·2009·Reviews of Modern Physics

Abstract

This article reviews the basic theoretical aspects of graphene, a one-atom-thick allotrope of carbon, with unusual two-dimensional Dirac-like electronic excitations. The Dirac electrons can be controlled by application of external electric and magnetic fields, or by altering sample geometry and/or topology. The Dirac electrons behave in unusual ways in tunneling, confinement, and the integer quantum Hall effect. The electronic properties of graphene stacks are discussed and vary with stacking order and number of layers. Edge (surface) states in graphene depend on the edge termination (zigzag or armchair) and affect the physical properties of nanoribbons. Different types of disorder modify the Dirac equation leading to unusual spectroscopic and transport properties. The effects of electron-electron and electron-phonon interactions in single layer and multilayer graphene are also presented.

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Integrity signals

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Crossref · 10.1103/revmodphys.81.109

Cites

463 of 463 references verified0 citation errors · 0 not checkable

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  • Non-relativistic electrons in graphene monolayer obey the massless relativistic dispersion known as the Dirac cone, leading to realization of analogies to Zitterbewegung and Klein tunneling in low-energy condensed-matter physics and atom optics.

    “Recently, the non-relativistic electrons in graphene monolayer were found to obey the massless relativistic dispersion known as the Dirac cone, leading to the realization of analogies to Zitterbewegung and Klein tunneling in low-energy condensed-matter physics and atom optics 4 -19 .”

    From Observation of interaction-induced phenomena of relativistic quantum mechanics (2021) · cites this paper as [12]

    Split into 2 atoms — 1 confirmed, 1 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.

    Experimental — accuracy not yet measured
  • The first type of Dirac points occur in lattices with unbroken time-reversal symmetry, occur in pairs, and are stabilized by a symmetry of the underlying lattice.

    “Dirac points in graphene1–3 or photonic graphene12 belong to the first type, which occur in lattices with unbroken T. These occur in pairs and are stabilized by a symmetry of the underlying lattice.”

    From Observation of an unpaired photonic Dirac point (2020) · cites this paper as [3]

    Section II.B, “Dirac fermions” (page unavailable), describes graphene’s two Dirac points at K and K′ and says their wavefunctions are related by time-reversal symmetry. The cited passages do not establish the broader claim that this type of Dirac point is stabilized by an underlying lattice symmetry, or address photonic graphene. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • In isotropic graphene, c_v = c_d, the lattice is hexagonal and tunnelling is equivalent in all directions, preserved by six-fold symmetry.

    “In the isotropic graphene, c v = c d , the lattice is hexagonal and the tunnelling is equivalent in all directions, which is preserved by the six-fold symmetry [1].”

    From Observing movement of Dirac cones from single-photon dynamics (2021) · cites this paper as [1]

    Section II.A (page unavailable) describes graphene as hexagonal and uses one hopping energy, t, for its three nearest-neighbor bonds, supporting equivalent nearest-neighbor hopping in the model. The cited passages do not establish the specific equality c_v = c_d or state that tunnelling is equivalent in all directions; the model also distinguishes nearest- from next-nearest-neighbor hopping. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Photonic Dirac points are known to occur in pairs in photonic graphene and other similar photonic crystals.

    “photonic Dirac points are known to occur in pairs in “photonic graphene” and other similar photonic crystals”

    From Observation of an unpaired photonic Dirac point (2020) · cites this paper as [3]

    The “Dirac fermions” section describes two electronic Dirac points, K and K′, in graphene. Searches for “photonic graphene photonic crystals Dirac points pairs” and “photonic” found no passage addressing whether photonic Dirac points occur in pairs in photonic graphene or similar crystals. (LLM, conf=0.78)

    Experimental — accuracy not yet measured
  • The DO model is obtained from the free Dirac equation by introducing an external potential via a non-minimal coupling.

    “The DO model is obtained from the free Dirac equation by the introduction of the external potential via a non-minimal coupling [57,59,63].”

    From Classical simulation of relativistic quantum mechanics in periodic optical structures (2011) · cites this paper as [57]

    The paper’s “B. Dirac fermions” section derives a massless Dirac-like description of electrons in graphene, but does not describe the DO model. A further search for “Dirac oscillator” and “non-minimal coupling” found no passage explaining the claimed construction; the coupling example retrieved uses minimal coupling instead. (LLM, conf=0.72)

    Experimental — accuracy not yet measured

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Cites

Flagged first, then by citations

Research works printed but not linked: 34

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Cited by

Sorted by citations

Authors
Castro Neto, A. H., Guinea, F., Peres, N. M. R., Novoselov, K. S., & Geim, A. K.
Affiliations
Boston University (US)
Venue
Reviews of Modern Physics
Published
2009-01-14
Volume
81
Issue
1
Pages
109-162
ISSN
  • 0034-6861 (ISSN-L)
  • 1539-0756
OpenAlex
W2105685140
Cited by
24,803
References
459
Citations by year
2026: 853 · 2025: 1031 · 2024: 1100 · 2023: 1204 · 2022: 1363 · 2021: 1537 · 2020: 1727 · 2019: 1637 · 2018: 1709 · 2017: 1741 · 2016: 1787 · 2015: 1711 · 2014: 1637 · 2013: 1542 · 2012: 1544
FWCI
673.10
Type
journal article
Language
en
Open access
Locations
  • Reviews of Modern Physics (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • Research Explorer (The University of Manchester) (submittedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, other-oa)
  • arXiv (Cornell University)
Funders
  • National Science Foundation (0343790)
  • Ministerio de Economía y Competitividad
  • Engineering and Physical Sciences Research Council
  • Division of Materials Research
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
  • Physical Sciences › Materials Science › Materials Chemistry › 2D Materials and Applications
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum and electron transport phenomena
Keywords
graphene, Dirac fermions, two-dimensional Dirac materials, quantum Hall effect, tunneling, confinement, stacking sequence, multilayer graphene, edge states, armchair and zigzag edges, nanoribbons, disorder, electron-electron interaction, electron-phonon coupling, transport properties, spectral properties

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