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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology

Thursday , 18 July 2013
(at 13:00 in room HAL 115)
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Single-Molecule Junctions: Vibrational and Magnetic Degrees of Freedom, and Novel Experimental Techniques

Heiko B. Weber

Friedrich-Alexander Universität Erlangen-Nürnberg

I will report on recent experiments on single-molecule junctions. Using the mechanically controlled break junction technique and metallic electrodes, we found evidence that vibrations have a remarkably strong temperature-dependent effect on the charge transport [1]. In a second line of experiments, we read out the magnetic state of individual molecules [2], which can be switched under finite bias. Finally, I will present ongoing experiments using graphene nanoelectrodes that permit significantly refined experimental control.

[1] S. Ballmann et al, Phys. Rev. Lett. 109, 056801 (2012).
[2] S. Wagner et al, Nature Nanotechnology (2013) DOI: 10.1038/NNANO.2013.133.

Brief Bio:

Heiko B. Weber's research is dedicated to solid state physics, in particular to charge transport phenomena in broad range of materials. After his doctoral work on mesoscopics in metals at the University of Karlsruhe, he started pioneering experiments on charge transport through single-molecule junctions, for which he received the Erwin-Schrödinger Award. Since 2004, he holds the chair for Applied Physics in Erlangen. He was cofounder of Erlangen's "Interdisciplinary Center for Molecular Materials" (ICMM), principal investigator in the cluster of excellence "engineering of advanced materials" 2008-2012, and vice speaker of the collaborative research center "Synthetic Carbon Allotropes" (SFB 953, established 2012). Today, his research focuses on Epitaxial Graphene and Molecular Electronics.

Announcement (pdf)

slides (pdf)

Invited by G. Cuniberti

Within the nanoSeminar

last modified: 2020.12.01 Tue
author: webadmin

Prof. Dr. Gianaurelio Cuniberti
Ms Sylvi Katzarow
phone: +49 (0)351 463-31420
fax: +49 (0)351 463-31422
postal address:
Institute for Materials Science
TU Dresden
01062 Dresden, Germany
visitors and courier address:
HAL building
TU Dresden
Hallwachsstr. 3
01069 Dresden, Germany
Max Bergmann Center
TU Dresden
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01069 Dresden, Germany