STM Images of Toluene Molecular Manipulation on Silicon Surface

Peter Sloan from the University of Bath provides data supporting a paper on coherent surface dynamics of charge carriers. The dataset likely contains before-and-after scanning tunnelling microscope images of a toluene-covered Si(111)-7x7 surface, revealing nonlocal molecular manipulation. The research proposes a model for the time-dependent expansion of an injected hole wavepacket and deduces a quantum coherence lifetime.

Use Cases

• Modeling ballistic charge carrier expansion based on the described nonlocal manipulation range and voltage dependence.
• Analyzing spatial patterns of molecular manipulation from the large-scale before-and-after STM images mentioned in the description.
• Studying quantum coherence lifetimes in surface states based on the inferred 10 fs ballistic lifetime.
• Investigating the voltage dependence of nonlocal manipulation probability and range for toluene on silicon.

Strengths

• Data is associated with a specific published scientific paper, providing research context.
• The description provides concrete physical measurements, such as a manipulation reduction region within 5 to 15 nm and a deduced coherence lifetime of about 10 fs.

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

University of Bath

Collection Method

Data likely gathered via scanning tunnelling microscopy and spectroscopy experiments at room temperature.