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A Joint Theoretical and Experimental Characterization of the In-elastic Tunneling modes of Ce@C82 and Ce2@C80
Tyndall National Institute, University College Cork.
Institut für Bio- and Nanosysteme (IBN 3) and CNI – Forschungszentrum Jülich.
Institut für Bio- and Nanosysteme (IBN 3) and CNI – Forschungszentrum Jülich.
2008 (English)Conference paper, Oral presentation only (Refereed)
Abstract [en]

The drive for miniaturization of electronic devices involves nanotechnology; where single molecules are investigated for the use as electric components.1 Owing to their electronic and magnetic flexibility; endohedral fullerenes have been suggested as one of a possible molecular candidate in future electronics.2 Such molecular components differ from the conventional electronic materials by the degree to which mechanical degrees of freedom affect electrical conductivity.3;4 Understanding of these processes are still in its infancy and in this study in-elastic tunnelling spectroscopy (IETS) which probes the tunnelling current of a single molecule using scanning tunnelling microscopy (STM); with controlled excitation of their vibration modes has been applied to cerium endohedral fullerenes (Ce@C82 and Ce2@C80) to investigate the interplay between electrons and vibrations of these molecules on Cu(111).5 We report here our measured IETS spectrum of single Ce@C82 and Ce2@C80 on Cu (111) and explain the observed IETS peaks by analysing the molecular vibrational spectra simulated using density functional theory calculations.

Place, publisher, year, edition, pages
2008.
Identifiers
URN: urn:nbn:se:ltu:diva-31726Local ID: 5fbaefd4-c227-482e-be1a-0b6381feb040OAI: oai:DiVA.org:ltu-31726DiVA, id: diva2:1004960
Conference
Nanoscale Simulators in Ireland. Meeting : 15/12/2008 - 16/12/2008
Note
Upprättat; 2008; 20130412 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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