Unimolecular Logic Gate with Classical Input by Single Gold Atoms

Dmitry Skidin (1) , Omid Faizy Namarvar (2, 3) , Justus Krüger (1) , Frank Eisenhut (1) , Andrej Jancarik (3) , Khanh-Hung Nguyen (3) , Gianaurelio Cuniberti (1) , André Gourdon (3) , Francesca Moresco (1) , Christian Joachim (3)

1 CFAED - Center for Advancing Electronics Dresden
2 ICQ - Cohérence Quantique (LPT)
3 CEMES-GNS - Groupe NanoSciences

By a combination of solution and on-surface chemistry, we synthesized an asymmetric starphene molecule with two long anthracenyl input branches and a short naphthyl output branch on the Au(111) surface. Starting from this molecule, we could demonstrate the working principle of a single molecule NAND logic gate by selectively contacting single gold atoms by atomic manipulation to the longer branches of the molecule. The logical input “1” (“0”) is defined by the interaction (noninteraction) of a gold atom with one of the input branches. The output is measured by scanning tunneling spectroscopy following the shift in energy of the electronic tunneling resonances at the end of the short branch of the molecule.

Domaines: Chimie

Dmitry Skidin, Omid Faizy Namarvar, Justus Krüger, Frank Eisenhut, Andrej Jancarik, et al.. Unimolecular Logic Gate with Classical Input by Single Gold Atoms. ACS Nano, 2018, 12 (2), pp.1139-1145. ⟨10.1021/acsnano.7b06650⟩. ⟨hal-01757955⟩