Regensburg 2019 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 96: Focus Session: Surface Transport at the Atomic Scale

Freitag, 5. April 2019, 10:30–13:00, H15

The ability to probe electronic transport on nano- and even atomic scaled structures opened a new field. Besides break junction techniques for realizing 2-terminal transport setups, recently, also multiprobe technique based on scanning tunneling microcopy (STM) allowed to go beyond and demonstrated its capability to reveal fundamental charge transport properties. This Focus Session will give an brief overview over the progress made on various topics with surface transport, ranging from functionalized semiconductor surfaces, 2D materials, topological insulators, helical molecules down to atomic wires.

Organizers: Christoph Tegenkamp (TU Chemnitz) and Bert Voigtländer (FZ Jülich).

10:30 O 96.1 Hauptvortrag: Electrical transport in semiconductor nanocrystal assemblies and nanocrystal heterostructures — •Bruno Grandidier
11:00 O 96.2 Space-charge layer effects studies by surface transport — •Frederik Edler, Ilio Miccoli, Herbert Pfnür, and Christoph Tegenkamp
11:15 O 96.3 In-situ four-tip STM investigation of the transition from 2D to 3D charge transport in SrTiO3 — •Arthur Leis, Christian Rodenbücher, Krzysztof Szot, Vasily Cherepanov, F. Stefan Tautz, and Bert Voigtländer
11:30 O 96.4 Length dependent electrical transport trough single polyalanine molecules — •Diana Slawig, Nguyen Thi Ngoc Ha, Herbert Pfnür, and Christoph Tegenkamp
11:45 O 96.5 Hauptvortrag: Multiprobe STM measurements of electron transport at the atomic level — •Marek Kolmer, Wonhee Ko, and An-Ping Li
12:15 O 96.6 Parallel conduction channels in topological insulator thin films: Role of the interface layer and the band bending in the film — •Sven Just, Felix Lüpke, Stefan Korte, Vasily Cherepanov, Frank Stefan Tautz, and Bert Voigtländer
12:30 O 96.7 In-situ disentangling surface state transport channels of a topological insulator thin film by gating — •Bert Voigtländer, Felix Lüpke, Sven Just, Vasily Cherepanov, and F. Stefan Tautz
12:45 O 96.8 Exploring the unjamming of electrons with a multi-probe STM — •Yaroslav Gerasimenko, Michele Diego, Jan Ravnik, and Dragan Mihailovic
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