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Two‐Dimensional Nanocrystals: Two‐Dimensional Nanocrystals Produced by Exfoliation of Ti<sub>3</sub>AlC<sub>2</sub> (Adv. Mater. 37/2011)
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2011
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NanosheetTwo‐dimensional NanocrystalsEngineeringTwo-dimensional MaterialsLow Dimensional MaterialNanostructured MaterialsMax PhasesElectron MicroscopyNanostructure SynthesisMxenesMaterials ScienceNanotechnologyNanocrystalline MaterialOne-dimensional MaterialGraphene-like CrystalsNanomaterialsApplied PhysicsGrapheneGraphene NanoribbonFunctional MaterialsCarbideNanostructures
The cover shows a scanning electron microscopy (SEM) image of graphene-like crystals of Ti3C2 called MXene. On page 4248 Yury Gogotsi, Michel W. Barsoum, and co-workers describe the exfoliation of Ti3AlC2, a member of a 60+ group of layered ternary carbides and nitrides known as MAX phases, by etching the aluminum out in HF. This approach can be used to synthesize other 2D carbides and nitrides. Colored SEM image by Babak Anasori, Drexel University.