Electric Field Effect in Atomically Thin Carbon Films

Abstract

We describe monocrystalline graphitic films, which are a few atoms thick but are nonetheless stable under ambient conditions, metallic, and of remarkably high quality. The 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 such that electrons and holes in concentrations up to 10 13 per square centimeter and with room-temperature mobilities of ∼10,000 square centimeters per volt-second can be induced by applying gate voltage.

Keywords

Electric fieldGrapheneMaterials scienceFullereneField-effect transistorCarbon fibersNanotechnologyBallistic conductionMetalField (mathematics)Thin filmCondensed matter physicsTransistorChemical physicsOptoelectronicsChemistryPhysicsComposite materialElectronVoltage

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Publication Info

Year: 2004
Type: article
Volume: 306
Issue: 5696
Pages: 666-669
Citations: 64413
Access: Closed

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APA Style

                            
                                
                                    Kostya S. Novoselov, 
                                
                                    A. K. Geǐm, 
                                
                                    С. В. Морозов
                                
                                et al.
                            
                            (2004). 
                            Electric Field Effect in Atomically Thin Carbon Films. 
                            Science
                            , 306
                            (5696)
                            , 666-669.
                            https://doi.org/10.1126/science.1102896
                        

Identifiers

DOI: 10.1126/science.1102896