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Two-dimensional atomic crystals

Proceedings of the National Academy of Sciences · 2005 · Vol. 102(30) · pp. 10451–10453

Kostya S. Novoselov✉(University of Manchester)Da Jiang(Institute of Microelectronics Technology and High Purity Materials)F. Schedin(Institute of Microelectronics Technology and High Purity Materials)Timothy J. Booth(University of Manchester)V. V. Khotkevich(Institute of Microelectronics Technology and High Purity Materials)С. В. Морозов(Institute of Microelectronics Technology and High Purity Materials)A. K. Geǐm(University of Manchester)

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Abstract

We report free-standing atomic crystals that are strictly 2D and can be viewed as individual atomic planes pulled out of bulk crystals or as unrolled single-wall nanotubes. By using micromechanical cleavage, we have prepared and studied a variety of 2D crystals including single layers of boron nitride, graphite, several dichalcogenides, and complex oxides. These atomically thin sheets (essentially gigantic 2D molecules unprotected from the immediate environment) are stable under ambient conditions, exhibit high crystal quality, and are continuous on a macroscopic scale.

Graphene research and applications 2D Materials and Applications Boron and Carbon Nanomaterials ResearchBoron nitrideAtomic unitsCleavage (geology)GraphiteCrystal (programming language)Materials scienceCrystallographyChemical physicsNanotechnologyBoron

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