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In this review, we provide an in-depth description of the physics of monolayer and bilayer graphene from a theorist's perspective. We discuss the physical properties of graphene in an external magnetic field, reflecting the chiral nature of…

Materials Science · Physics 2014-11-20 D. S. L. Abergel , V. Apalkov , J. Berashevich , K. Ziegler , Tapash Chakraborty

The derived by us earlier electron scattering matrix for the short-range defects in monolayer graphene is applyed to description of the resistivity electron density dependence. It is argued that large charged defect density is unlikely in…

Mesoscale and Nanoscale Physics · Physics 2011-11-04 Natalie E. Firsova , Sergey A. Ktitorov

Bound and resonance electronic states in impure graphene are studied. Short-range perturbations for defects and impurities of the types "local chemical potential" and "local gap" are taken into account. Zero gap and non-zero gap kinds of…

Mesoscale and Nanoscale Physics · Physics 2009-05-25 Natalie E. Firsova , Sergey A. Ktitorov , Philip A. Pogorelov

The adsorption of an alkali-metal submonolayer on graphene occupying every third hexagon of the honeycomb lattice in a commensurate $(\sqrt{3}\times\sqrt{3})R30^\circ$ arrangement induces an energy gap in the spectrum of graphene. To…

Materials Science · Physics 2009-01-27 M. Farjam , H. Rafii-Tabar

We experimentally demonstrate a simple graphene/ ferrolectric device, termed Ferrotronic (electronic effect from ferroelectric) device in which the band-structure of single-layer graphene is modified. The device architecture consists of…

Mesoscale and Nanoscale Physics · Physics 2026-05-14 Qifang Wan , Zhuocong Xiao , Ahmed Kursumovic , Judith. L. MacManus-Driscoll , Colm Durkan

Graphene's intrinsically corrugated and wrinkled topology fundamentally influences its electronic, mechanical, and chemical properties. Experimental techniques allow the manipulation of pristine graphene and the controlled production of…

Materials Science · Physics 2025-09-09 Fabian L. Thiemann , Patrick Rowe , Andrea Zen , Erich A. Müller , Angelos Michaelides

The interplay between different types of disorder and electron-electron interactions in graphene planes is studied by means of Renormalization Group techniques. The low temperature properties of the system are determined by fixed points…

Strongly Correlated Electrons · Physics 2009-11-10 T. Stauber , F. Guinea , M. A. H. Vozmediano

Using density functional theory calculations we investigate the electronic structure of graphene doped by deposition of foreign atoms. We demonstrate that, as the charge transfer to the graphene layer increases, the band structure of the…

Materials Science · Physics 2009-11-13 Matteo Calandra , Francesco Mauri

In this paper we analyze the effects of nonlocality on the optical properties of a system consisting of a thin metallic film separated from a graphene sheet by a hexagonal boron nitride (hBN) layer. We show that nonlocal effects in the…

Steeping interest on graphene research in basic sciences and applications emphasizes the need for an economical means of synthesizing it. We report a method for the synthesis of graphene on commercially available stainless steel foils using…

Mesoscale and Nanoscale Physics · Physics 2011-09-22 Robin John , A Ashokreddy , C Vijayan , T Pradeep

We report low temperature high magnetic field scanning tunneling microscopy and spectroscopy of graphene flakes on graphite that exhibit the structural and electronic properties of graphene decoupled from the substrate. Pronounced peaks in…

Mesoscale and Nanoscale Physics · Physics 2009-06-11 Guohong Li , Adina Luican , Eva Y. Andrei

The impact of van der Waals interaction on the electronic structure between a pentacene monolayer and a graphite surface was investigated. Upon cooling the monolayer, newly formed dispersive bands, showing the constant final state nature…

It is significant to prepare large area of high quality graphene for the study of the characteristics of graphene and the research of the nano-devices based on graphene. This paper summarizes the experiment progresses and mechanism of…

Mesoscale and Nanoscale Physics · Physics 2012-03-01 Tian Yuan , Zhao Qian-Ying , Hu Jing , Zhou Chen , Miao Ling , Jiang Jian-Jun

We describe the effects of vacancies on the electronic properties of a graphene sheet in the presence of a perpendicular magnetic field: from a single defect to an organized vacancy lattice. An isolated vacancy is the minimal possible inner…

Mesoscale and Nanoscale Physics · Physics 2008-09-16 A. L. C. Pereira , P. A. Schulz

We present an investigation of the atomic and electronic structure of graphene monolayer islands on the 6H-SiC(000-1)(3x3) (SiC(3x3)) surface reconstruction using scanning tunneling microscopy (STM) and spectroscopy (STS). The orientation…

Materials Science · Physics 2010-01-04 F. Hiebel , P. Mallet , L. Magaud , J. -Y. Veuillen

We study the dependence of mechanical conformations of graphene sheets located on flat substrates on the density of unilateral (one-side) attachment of hydrogen, fluorine or chlorine atoms to them. It is shown that chemically modified…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Alexander V. Savin , Yuriy A. Kosevich

Topological defects in graphene, dislocations and grain boundaries, are still not well understood despites the considerable number of experimental observations. We introduce a general approach for constructing dislocations in graphene…

Mesoscale and Nanoscale Physics · Physics 2010-05-21 Oleg V. Yazyev , Steven G. Louie

Man-made artificial graphene has attracted significant attention in the past few years due to the possibilities to construct designer Dirac fermions with unexpected topological properties and applications in nanoelectronics. Here we use a…

Materials Science · Physics 2014-12-10 Matti Ropo , Sami Paavilainen , Jaakko Akola , Esa Räsänen

We study the magnetic properties in the vicinity of a single carbon defect in a monolayer of graphene. We include the unbound $\sigma$ orbital and the vacancy induced bound $\pi$ state in an effective two-orbital single impurity model. The…

Mesoscale and Nanoscale Physics · Physics 2018-04-25 Daniel May , Po-Wei Lo , Kira Deltenre , Anika Henke , Jinhai Mao , Yuhang Jiang , Guohong Li , Eva Y. Andrei , Guang-Yu Guo , Frithjof B. Anders

Although iron-based single atom catalysts are regarded as a promising alternative to precious metal catalysts, their precise electronic structures during catalysis still pose challenges for computational descriptions. A particularly urgent…

Materials Science · Physics 2024-11-07 Young-Joon Song , Charlotte Gallenkamp , Genís Lleopart , Vera Krewald , Roser Valentí