The electronic properties of graphene
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In this paper, the basic theoretical aspects of graphene, a one-atom-thick allotrope of carbon, with unusual two-dimensional Dirac-like electronic excitations, are discussed.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.read more
Citations
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How to get between the sheets: a review of recent works on the electrochemical exfoliation of graphene materials from bulk graphite
TL;DR: This work reviews various works on the electrochemical fabrication of graphene materials specifically through the use of electrochemical intercalation and exfoliation of a graphite source electrode, focusing on the quality and purity of products formed.
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Superballistic flow of viscous electron fluid through graphene constrictions
R. Krishna Kumar,R. Krishna Kumar,Denis A. Bandurin,Francesco M. D. Pellegrino,Yang Cao,Alessandro Principi,Haoyu Guo,Gregory Auton,M. Ben Shalom,L. A. Ponomarenko,Gregory Falkovich,Kenji Watanabe,T. Taniguchi,Irina V. Grigorieva,Leonid Levitov,Marco Polini,Marco Polini,Andre K. Geim +17 more
TL;DR: In this paper, the authors studied electron transport through graphene constrictions and showed that their conductance below 150 K increases with increasing temperature, in stark contrast to the metallic character of doped graphene.
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Imaging Electronic Correlations in Twisted Bilayer Graphene near the Magic Angle
Youngjoon Choi,Jeannette Kemmer,Yang Peng,Alex Thomson,Harpreet Singh Arora,Robert Polski,Yiran Zhang,Hechen Ren,Jason Alicea,Gil Refael,Felix von Oppen,Kenji Watanabe,Takashi Taniguchi,Stevan Nadj-Perge +13 more
TL;DR: In this article, the authors used scanning tunneling microscopy to probe local properties of highly tunable twisted bilayer graphene devices and show that the flat bands strongly deform when aligned with the Fermi level.
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Hydrogen compounds of group-IV nanosheets
TL;DR: The structural and electronic properties of the hydrides of silicene and germanene have been studied using ab initio calculations in this article, and the trend for the M-H (M=C, Si, and Ge) bond lengths, and corresponding bond energies, is consistent with the atomic size trend, and comparable to those of MH4 hydride.
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Direct growth of bilayer graphene on SiO₂ substrates by carbon diffusion through nickel.
TL;DR: A transfer-free method of synthesizing bilayer graphene directly on SiO(2) substrates by carbon diffusion through a layer of nickel is reported, eliminating any transfer process.
References
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Electric Field Effect in Atomically Thin Carbon Films
Kostya S. Novoselov,Andre K. Geim,Sergey V. Morozov,Da Jiang,Y. Zhang,S. V. Dubonos,Irina V. Grigorieva,A. A. Firsov +7 more
TL;DR: Monocrystalline graphitic films are found to be a two-dimensional semimetal with a tiny overlap between valence and conductance bands and they exhibit a strong ambipolar electric field effect.
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The rise of graphene
TL;DR: Owing to its unusual electronic spectrum, graphene has led to the emergence of a new paradigm of 'relativistic' condensed-matter physics, where quantum relativistic phenomena can now be mimicked and tested in table-top experiments.
Book
Theory of elasticity
TL;DR: The theory of the slipline field is used in this article to solve the problem of stable and non-stressed problems in plane strains in a plane-strain scenario.
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Two-dimensional gas of massless Dirac fermions in graphene
Kostya S. Novoselov,A. K. Geim,Sergey V. Morozov,Da Jiang,Mikhail I. Katsnelson,Irina V. Grigorieva,S. V. Dubonos,A. A. Firsov +7 more
TL;DR: This study reports an experimental study of a condensed-matter system (graphene, a single atomic layer of carbon) in which electron transport is essentially governed by Dirac's (relativistic) equation and reveals a variety of unusual phenomena that are characteristic of two-dimensional Dirac fermions.