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

Thursday , 15 January 2015
(at 13:00 in room HAL 115 )
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From electric to thermal and thermoelectric properties of atomic and molecular junctions

Fabian Pauly

Department of Physics, University of Konstanz

Single-atom and single-molecule junctions represent the ultimate limit to the miniaturization of electrical circuits. They are also ideal platforms for testing quantum transport theories that are required to describe charge and energy transfer in novel functional nanometer-scale devices. In this presentation, I will review the recent progress in my group towards the description of elastic and inelastic charge transport in molecular junctions as well as thermal and thermoelectric phenomena.
In the first part, I will focus on the electrical properties and will discuss conductance-structure relationships together with inelastic electron tunneling spectra.
In the second part, I will show recent theoretical studies of the thermopower of atomic and molecular junctions and the connection of the thermopower to heat dissipation.
Finally, in the third and last part, I will present our recent efforts to model also the phonon transport in order to obtain a realistic figure of merit for the molecular junctions.

Brief Bio:

Research Background and Interests: Theoretical Solid State Physics and Interfaces
Quantum Transport through Nanostructures; Electric, Thermal, and Thermoelectric Properties
Light-Matter Interactions; Photoconductance and Nanoplasmonics
Ab-initio Electronic Structure Theory; Density Functional Theory and beyond.

Employment and Education:
09.2012-Present: Junior-Professor, Theory of Nanostructures, Department of Physics, University of Konstanz, Germany
10.2011-08.2012: Visiting Scientist and Postdoctoral Fellow, Materials Sciences Division, Lawrence Berkeley National Laboratory, USA
07.2011-06.2012: Research Assistant, Karlsruhe Institute of Technology (KIT)
07.2007-06.2011: Head of the Young Investigator Group "Theoretical Aspects of Molecular Electronics", KIT
04.2002-02.2007: Ph.D. in Physics, Institute for Theoretical Solid State Physics, University of Karlsruhe, Germany
10.1996-12.2001: Diploma in Physics, Darmstadt University of Technology, Germany.

Announcement (pdf)

Invited by G. Cuniberti

Within the nanoSeminar

last modified: 2021.10.21 Thu
author: webadmin