Tip-State Control of Rates and Branching Ratios in Atomic Manipulation

Peter A Sloan; Richard E Palmer

doi:10.1021/nl050142x

Tip-State Control of Rates and Branching Ratios in Atomic Manipulation

Peter A Sloan, Richard E Palmer

Department of Physics

Research output: Contribution to journal › Article › peer-review

24 Citations (SciVal)

Abstract

We report the atomic manipulation properties of two distinct, stable, and reproducible states of a scanning tunneling microscope tip applied to chlorobenzene/Si(111)-(7x7). We show that the tip state influences the rates of (current-driven) molecular desorption and C-Cl dissociation as well as the branching ratio between these processes, but does not change the mediating electronic channel or the required number of electrons. These manipulation properties combined with the imaging properties of the two tip-states suggest the major difference between tip-states is their coupling efficiency to the ð-states of the chlorobenzene molecule.

Original language	English
Pages (from-to)	835-839
Number of pages	5
Journal	Nano Letters
Volume	5
Issue number	5
DOIs	https://doi.org/10.1021/nl050142x
Publication status	Published - 2005

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10.1021/nl050142x

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abstract = "We report the atomic manipulation properties of two distinct, stable, and reproducible states of a scanning tunneling microscope tip applied to chlorobenzene/Si(111)-(7x7). We show that the tip state influences the rates of (current-driven) molecular desorption and C-Cl dissociation as well as the branching ratio between these processes, but does not change the mediating electronic channel or the required number of electrons. These manipulation properties combined with the imaging properties of the two tip-states suggest the major difference between tip-states is their coupling efficiency to the {\dh}-states of the chlorobenzene molecule.",

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AB - We report the atomic manipulation properties of two distinct, stable, and reproducible states of a scanning tunneling microscope tip applied to chlorobenzene/Si(111)-(7x7). We show that the tip state influences the rates of (current-driven) molecular desorption and C-Cl dissociation as well as the branching ratio between these processes, but does not change the mediating electronic channel or the required number of electrons. These manipulation properties combined with the imaging properties of the two tip-states suggest the major difference between tip-states is their coupling efficiency to the ð-states of the chlorobenzene molecule.

UR - http://dx.doi.org/10.1021/nl050142x

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DO - 10.1021/nl050142x

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JO - Nano Letters

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ER -

Tip-State Control of Rates and Branching Ratios in Atomic Manipulation

Abstract

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