An external 'tuning knob' by means of applying a transverse electric field has been experimentally demonstrated to modify the bandgap of black phosphorus, making the two-dimensional material practical for integration in functional nanodevices.
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Roldán, R., Castellanos-Gomez, A. A new bandgap tuning knob. Nature Photon 11, 407–409 (2017). https://doi.org/10.1038/nphoton.2017.102
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DOI: https://doi.org/10.1038/nphoton.2017.102
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