Tuning Negative Differential Resistance in a Molecular Film
M. Grobis, A. Wachowiak, R. Yamachika, and M. F. Crommie
TL;DR
This paper reports the observation of tunable negative differential resistance in a molecular film, explained by voltage-dependent tunneling barrier changes, advancing understanding of molecular electronic properties.
Contribution
It demonstrates tunable NDR in C60 molecular films and provides a simple model explaining the voltage-dependent tunneling behavior.
Findings
Observation of tunable NDR in C60 molecular films
NDR behavior explained by voltage-dependent barrier height
Provides insights into molecular electronic transport mechanisms
Abstract
We have observed tunable negative differential resistance (NDR) in scanning tunneling spectroscopy measurements of a double layer of C60 molecules on a metallic surface. Using a simple model we show that the observed NDR behavior is explained by voltage-dependent changes in the tunneling barrier height.
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