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Quantum electronics

Nanotubes go ballistic

As devices shrink, tiny wires that conduct electrons ballistically — without scattering — have exciting applications. Carbon nanotubes can now do this over hundreds, even thousands, of nanometres, with stunning results.

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Figure 1: A wave hitting two partially reflective barriers.

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White, C., Todorov, T. Nanotubes go ballistic. Nature 411, 649–651 (2001). https://doi.org/10.1038/35079720

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