Atomically resolved real-space imaging of hot electron dynamics

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Description

The dynamics of hot electrons are central to understanding the properties of many electronic devices. But their ultra-short lifetime, typically 100 fs or less, and hence their corresponding transport length-scale of a few nanometers severely constrains real space investigations. Here we report variable temperature and voltage measurements of the nonlocal manipulation of adsorbed molecules on the Si(111)-7x7 surface in the scanning tunnelling microscope. The range of the nonlocal effect increases with temperature and, at constant temperature, is invariant over a wide range of electron energies. The measurements probe, in real space, the underlying hot electron dynamics on the 10 nm scale and are well described by a two-dimensional diffusive model with a single decay channel, consistent with 2PPE measurements of the real time dynamics.
Date made available2015
PublisherUniversity of Bath

Research Output

Atomically resolved real-space imaging of hot electron dynamics

Lock, D., Rusimova, K., Pan, T., Palmer, R. E. & Sloan, P., 21 Sep 2015, In : Nature Communications. 6, 8365, p. 1-7 7 p., 8365.

Research output: Contribution to journalArticle

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    Lock, D. (Creator), Rusimova, K. (Creator), Pan, T. (Creator), Palmer, R. E. (Creator), Sloan, P. (Creator) (2015). Atomically resolved real-space imaging of hot electron dynamics. University of Bath. 10.15125/BATH-00126