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Photoemission studies of graphene have resulted in a long-standing controversy concerning the strength of the experimental electron-phonon interaction in comparison with theoretical calculations. Using high-resolution angle-resolved…

Materials Science · Physics 2015-05-30 David A. Siegel , Choongyu Hwang , Alexi V. Fedorov , Alessandra Lanzara

The combination of graphene with noble-metal nanostructures is currently being explored for strong light-graphene interaction enhanced by plasmons. We introduce a novel hybrid graphene-metal system for studying light-matter interactions…

Mesoscale and Nanoscale Physics · Physics 2013-10-10 Xiaolong Zhu , Lei Shi , Michael S. Schmidt , Anja Boisen , Ole Hansen , Jian Zi , Sanshui Xiao , N. Asger Mortensen

The mechanical properties of heterophase interfaces are critically important for the behaviour of graphene-reinforced composites. In this work, the structure, adhesion, cleavage and sliding of heterophase interfaces, formed between a…

Materials Science · Physics 2019-07-31 Yanhui Zhang , Stefano Sanvito

The properties of suspended graphene are currently attracting enormous interest, but the small size of available samples and the difficulties in making them severely restrict the number of experimental techniques that can be used to study…

Mesoscale and Nanoscale Physics · Physics 2009-04-28 T. J. Booth , P. Blake , R. R. Nair , D. Jiang , E. W. Hill , U. Bangert , A. Bleloch , M. Gass , K. S. Novoselov , M. I. Katsnelson , A. K. Geim

Graphene is, in principle, a promising material for consideration as component (support, active site) of electrocatalytic materials, particularly with respect to reduction of oxygen, an electrode reaction of importance to low-temperature…

Per weight graphene is stronger than steel, but because graphene is so thin, it breaks and evidently forms cracks during handling, particularly when supporting polymers are not used for transfer. In this paper, the parameter rupture index…

Materials Science · Physics 2017-01-11 Hadi Arjmandi-Tash , Lin Jiang , Grégory F. Schneider

The understanding of the structural and thermal properties of membranes, low-dimensional flexible systems in a space of higher dimension, is pursued in many fields from string theory to chemistry and biology. The case of a two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2013-02-08 Mikhail I. Katsnelson , Annalisa Fasolino

Graphene is an interesting debated topic between scientists because of its unique properties such as tunable conductivity. Graphene conductivity can be varied by either electrostatic or magnetostatic gating or via chemical doping, which…

We investigate the fine structure of graphene on iridium, which is a model for graphene weakly interacting with a transition metal substrate. Even the highest quality epitaxial graphene displays tiny imperfections, i.e. small biaxial…

Materials Science · Physics 2013-02-25 Nils Blanc , Johann Coraux , Chi Vo-Van , Alpha T. N'Diaye , Olivier Geaymond , Gilles Renaud

Graphene is a unique material to study fundamental limits of plasmonics. Apart from the ultimate single-layer thickness, its carrier concentration can be tuned by chemical doping or applying an electric field. In this manner the…

Mesoscale and Nanoscale Physics · Physics 2017-11-30 Dmitry A. Kuzmin , Igor V. Bychkov , Vladimir G. Shavrov , Vasily V. Temnov

Graphene has attracted significant interest both for exploring fundamental science and for a wide range of technological applications. Chemical vapor deposition (CVD) is currently the only working approach to grow graphene at wafer scale,…

Graphene and its heterostructures exhibit interesting electronic properties and are explored for quantum spin Hall effect(QSHE) and magnetism based device applications. In present work, we propose a heterostructure of graphene encapsulated…

Materials Science · Physics 2019-10-07 Mohammed Ghadiyali , Sajeev Chacko

Graphene is intrinsically non-flat and corrugates randomly. Since the corrugating physics of atomically-thin graphene is strongly tied to its electronics properties, randomly corrugating morphology of graphene poses significant challenge to…

Mesoscale and Nanoscale Physics · Physics 2011-11-10 Teng Li

Graphene, a single atomic layer of graphitic carbon, has attracted intense attention due to its extraordinary properties that make it a suitable material for a wide range of technological applications. Large-area graphene films, which are…

Mesoscale and Nanoscale Physics · Physics 2015-02-18 Oleg V. Yazyev , Yong P. Chen

Hot charge carriers in graphene exhibit fascinating physical phenomena, whose understanding has improved greatly over the past decade. They have distinctly different physical properties compared to, for example, hot carriers in conventional…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Mathieu Massicotte , Giancarlo Soavi , Alessandro Principi , Klaas-Jan Tielrooij

We report on detailed microscopy studies of graphene and few-layer-graphene produced by mechanical exfoliation on various semi-conducting substrates. We demonstrate the possibility to prepare and analyze graphene on (001)-GaAs, manganese…

Materials Science · Physics 2009-11-13 U. Stöberl , U. Wurstbauer , W. Wegscheider , D. Weiss , J. Eroms

We review the current state of the art of graphene-enhanced thermal interface materials for the management of heat the next generation of electronics. Increased integration densities, speed, and power of electronic and optoelectronic…

Applied Physics · Physics 2020-08-26 Jacob S. Lewis , Timothy Perrier , Zahra Barani , Fariborz Kargar , Alexander A. Balandin

Edge contact geometries are thought to yield ultralow contact resistances in most non-ferromagnetic metal-graphene interfaces owing to their large metal-graphene coupling strengths. Here, we examine the contact resistance of edge- versus…

Materials Science · Physics 2017-06-30 Khoong Hong Khoo , Wei Sun Leong , John T. L. Thong , Su Ying Quek

The generalized tight-binding model, with the exact diagonalization method, is developed to investigate optical properties of graphene in five kinds of external fields. The quite large Hamiltonian matrix is transferred into the band-like…

Materials Science · Physics 2015-03-31 Y. H. Chiu , Y. C. Ou , M. F. Lin

The extremely high carrier mobility and the unique band structure, make graphene very useful for field-effect transistor applications. According to several works, the primary limitation to graphene based transistor performance is not…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 Filippo Giubileo , Antonio Di Bartolomeo