Recent years have seen a proliferation of single-molecule devices including rotors 1,2,3, motors 4,5,6,7,8,9,10 and switches 11,12,13,14,15,16,17,18,19,20,21. However ...
Two-dimensional (2D) semiconductors, materials that can conduct electricity and are only a few atoms thick, are promising alternatives to the conventional silicon-based semiconductors currently used ...