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Internet of things: Sensing without power

A thermally activated micromechanical switch delivers an electrical readout signal only when irradiated by a narrowband mid-infrared light, thanks to a metamaterial element that converts light into heat.

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References

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    et al. Nat. Nanotech. 9, 963–968 (2017).

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Affiliations

  1. Vladimir A. Aksyuk is at the Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA

    • Vladimir A. Aksyuk

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Correspondence to Vladimir A. Aksyuk.