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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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DS: Fachverband Dünne Schichten

DS 30: Poster: Organic Thin Films and Thin Oxides

DS 30.14: Poster

Wednesday, March 18, 2020, 15:00–18:00, P1A

Emergence of a surface 2DEG in Anatase (001) thin films — •Marius Fuchs1, Chiara Bigi2,3, Alessandro Troglia2,3, Pasquale Orgiani2, Jun Jujii2, Ivana Vobornik2, Giancarlo Panaccione2, Giorgio Rossi2,3, Domenico Di Sante1, and Giorgio Sangiovanni11Institut für Physik und Astrophysik, Universität Würzburg, 97074 Würzburg, Germany — 2CNR-ION TASC laboratory, c/o Area Science Park - Basovizza, Strada Statale 14 km 163,5 - 34149 Trieste, Italy — 3University of Milano, 20133 Milano, Italy

We report the emergence of a surface 2DEG in Anatase (001) thin films above a threshold thickness. DFT reveals the subsurface Ti dxy orbitals to nourish the 2DEG. The mechanism of formation is further analyzed by using Wannier functions. Additionally we investigate the phononic influence on the electronic dispersion.

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