Thermal with Electronic Excitation for the Unidirectional Rotation of a Molecule on a Surface
Kwan Ho Au-Yeung,
Suchetana Sarkar,
Tim Kühne
et al.
Abstract:Exploring the limits of the microscopic reversibility
principle,
we investigated the interplay between thermal and electron tunneling
excitations for the unidirectional rotation of a molecule-rotor on
the Au(111) surface. We identified a range of moderate voltages and
temperatures where heating the surface enhances the unidirectional
rotational rate of a chemisorbed DMNI-P rotor. At higher voltage,
inelastic tunneling effects dominate, while at higher temperature,
the process becomes stochastic. At each electr… Show more
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