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Electric Field Effect in Atomically Thin Carbon Films
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. Expand
The electronic properties of graphene
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… Expand
The rise of graphene.
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. Expand
Raman spectrum of graphene and graphene layers.
- A. Ferrari, J. Meyer, +8 authors Andre K. Geim
- Materials Science, Medicine
- Physical review letters
- 30 October 2006
This work shows that graphene's electronic structure is captured in its Raman spectrum that clearly evolves with the number of layers, and allows unambiguous, high-throughput, nondestructive identification of graphene layers, which is critically lacking in this emerging research area. Expand
Two-dimensional atomic crystals.
- K. Novoselov, D. Jiang, +4 authors Andre K. Geim
- Medicine, Materials Science
- Proceedings of the National Academy of Sciences…
- 21 March 2005
By using micromechanical cleavage, a variety of 2D crystals including single layers of boron nitride, graphite, several dichalcogenides, and complex oxides are prepared and studied. Expand
Fine Structure Constant Defines Visual Transparency of Graphene
It is shown that the opacity of suspended graphene is defined solely by the fine structure constant, a = e2/hc � 1/137 (where c is the speed of light), the parameter that describes coupling between light and relativistic electrons and that is traditionally associated with quantum electrodynamics rather than materials science. Expand
Graphene: Status and Prospects
- Andre K. Geim
- Physics, Medicine
- 19 June 2009
This review analyzes recent trends in graphene research and applications, and attempts to identify future directions in which the field is likely to develop. Expand
Detection of individual gas molecules adsorbed on graphene.
- F. Schedin, Andre K. Geim, +4 authors K. Novoselov
- Materials Science, Physics
- Nature materials
- 29 October 2006
Graphene is an exceptionally low-noise material electronically, which makes it a promising candidate not only for chemical detectors but also for other applications where local probes sensitive to external charge, magnetic field or mechanical strain are required. Expand
Control of Graphene's Properties by Reversible Hydrogenation: Evidence for Graphane
This work illustrates the concept of graphene as a robust atomic-scale scaffold on the basis of which new two-dimensional crystals with designed electronic and other properties can be created by attaching other atoms and molecules. Expand
Chiral tunnelling and the Klein paradox in graphene
The so-called Klein paradox—unimpeded penetration of relativistic particles through high and wide potential barriers—is one of the most exotic and counterintuitive consequences of quantum… Expand