Highly conductive molecular junctions based on direct binding of benzene to platinum electrodes

Highly conductive molecular junctions were formed by direct binding of benzene molecules between two Pt electrodes. Measurements of conductance, isotopic shift in inelastic spectroscopy, and shot noise compared with calculations provide indications for a stable molecular junction where the benzene m...

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Bibliographic Details
Authors: Kiguchi, M., Tal, O., Wohlthat, S., Pauly, F., Krieger, M., Djukic, D., Cuevas Rodríguez, Juan Carlos, van Ruitenbeek, J. M.
Format: article
Publication Date:2008
Country:España
Institution:Universidad Autónoma de Madrid
Repository:Biblos-e Archivo. Repositorio Institucional de la UAM
Language:English
OAI Identifier:oai:repositorio.uam.es:10486/668251
Online Access:http://hdl.handle.net/10486/668251
https://dx.doi.org/10.1103/PhysRevLett.101.046801
Access Level:Open access
Keyword:Física
Description
Summary:Highly conductive molecular junctions were formed by direct binding of benzene molecules between two Pt electrodes. Measurements of conductance, isotopic shift in inelastic spectroscopy, and shot noise compared with calculations provide indications for a stable molecular junction where the benzene molecule is preserved intact and bonded to the Pt leads via carbon atoms. The junction has a conductance comparable to that for metallic atomic junctions (around 0.1–1G0), where the conductance and the number of transmission channels are controlled by the molecule’s orientation at different interelectrode distances