Carbon nanotube field-effect transistors that are fabricated using aligned nanotube arrays exhibit an identical sequence of random ternary bits, which can be separated and used to generate security keys for encrypted communications.
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Kumar, S. Security keys from paired up nanotube devices. Nat Electron 5, 412–413 (2022). https://doi.org/10.1038/s41928-022-00805-y
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DOI: https://doi.org/10.1038/s41928-022-00805-y
