Regensburg 2019 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 28: Organic Molecules on Inorganic Substrates I: Switching and Manipulation

O 28.2: Vortrag

Dienstag, 2. April 2019, 10:45–11:00, H24

Electrochemistry of single molecules by atom manipulation — •Shadi Fatayer, Florian Albrecht, Nikolaj Moll, Gerhard Meyer, and Leo Gross — IBM Research - Zurich

The charge state of an adsorbed molecule significantly affects its physical as well as its chemical properties, for example, adsorption position, molecular conformation and aromaticity. The proven capabilities of single-electron sensitivity [1,2] and atomic-resolution [3] of atomic force microscopy (AFM) make it an ideal tool to perform charge-state manipulation experiments while atomically resolving the induced changes within the molecule. Here, we present AFM-based results that demonstrate both the control in charge-state and the capability of resolving the atomic structure of a single molecule for different molecules.

[1] L. Gross, et al. Science 324, 5933 (2009) [2] S. Fatayer, et al. Nature Nanotechnology 13, 376 (2018) [3] L. Gross, et al. Science 325, 5944 (2009)