Electroisomerization blinking of an azobenzene derivative molecule

We report here the reversibility and bistability of the switching behavior in an azobenzene derivative induced by the bias applied by a scanning-tunneling microscopy (STM) tip, at low temperature and in ultra-high vacuum environment. This to- and to- switching were observed during STM imaging in eit...

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Veröffentlicht in:	Nanotechnology 2025-01, Vol.36 (10), p.105702
Hauptverfasser:	Godey, Sylvie, Therssen, Hugo, Guérin, David, Mélin, Thierry, Lenfant, Stéphane
Format:	Artikel
Sprache:	eng
Schlagworte:	azobenzene blinking Condensed Matter electroisomerization Materials Science Physics STM UHV
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description	We report here the reversibility and bistability of the switching behavior in an azobenzene derivative induced by the bias applied by a scanning-tunneling microscopy (STM) tip, at low temperature and in ultra-high vacuum environment. This to- and to- switching were observed during STM imaging in either polarity at +2 V or -2 V, on a sub-second time scale. This results in a blinking effect visible on STM images, corresponding to the reversible switching of the azobenzene molecule under the applied STM bias through an electric field induced process.
doi_str_mv	10.1088/1361-6528/ada2f3
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title	Electroisomerization blinking of an azobenzene derivative molecule
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