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Carbon nanotubes

Perfect mismatch

The electronic coupling between two stacked atomic layers is usually weak if their periodicities are incommensurate. Optical absorption experiments have now revealed unexpectedly strong interlayer coupling in incommensurate double-walled carbon nanotubes.

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Figure 1: Graphene and carbon nanotubes.

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Correspondence to João Lopes dos Santos.

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dos Santos, J. Perfect mismatch. Nature Phys 10, 709–711 (2014). https://doi.org/10.1038/nphys3108

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