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Regensburg 2019 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 64: Poster Session: Transport

TT 64.6: Poster

Donnerstag, 4. April 2019, 15:00–18:30, Poster D

Low temperature MCBJ measurements of C60 Fullerenes — •Alexander Strobel1,2, Filip Kilibarda1,2, Elke Scheer2, and Artur Erbe1,21Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany — 2University of Konstanz, Faculty of sciences, 78457 Konstanz, Germany

Current industrial semiconductor scaling processes are reaching limits. We see not only diminished returns with further scaling attempts, but also physical limitations that come more and more into play. In our research we offer a novel approach, where we try to drop altogether the concept of 3D scaling of electronic components and go to practically 1D molecular systems. This approach offers not only reduction in power consumption and costs, but also a deeper understanding of the electron transport behavior of molecules. Our research focuses on classifying different molecules with the help of Mechanically Controlled Break Junction (MCBJ) technique.

The Poster shows the investigation of the conductance of C60 Fullerene molecules using a unique mechanical controllable break junction (MCBJ) setup. The C60 molecule with its high stability and symmetry is convenient to investigate the Bonding between electrodes (Au) and molecule. The MCBJ setup enables to evaporate in situ and measure under high vacuum conditions. Furthermore low temperatures measurements down to 10 K are possible. From conductance histograms preferred conductance values of single C60 molecules are deduced. I-V and dI-dV curves give rise to a deeper understanding of electron transport mechanisms in C60 molecules.

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