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O: Fachverband Oberflächenphysik

O 44: Focus Session: Surfaces and Interfaces of (Incipient) Ferroelectrics (joint session O/KFM)

Mittwoch, 7. September 2022, 15:00–18:30, H3

Ferroelectricity is a property of materials that allows spontaneous, switchable electric polarization. Recently, many surface-related applications have been proposed where ferroelectric or incipient-ferroelectric materials exhibit superior properties. These include catalysis, electron-hole separation in light harvesting, unique electronic properties such as a negative capacitance in heterostructures of ferroelectric materials, to name just a few. While (incipient) ferroelectrics clearly perform well in the aforementioned applications, there is very limited fundamental understanding of the processes involved on the surfaces of these materials.

Organizers: Martin Setvin (Charles University, Prague), Chiara Gattinoni (London South Bank University), and Michele Reticcioli (University of Vienna)

15:00 O 44.1 Topical Talk: In search of electrostatic happiness at surfaces — •Nicola Spaldin
15:30 O 44.2 Topical Talk: Optimisation and miniaturisation of naturally-layered multiferroic thin films — •Lynette Keeney
16:00 O 44.3 Influence of Nb dopants on the polarization and screening on cleaved SrTiO3(001) surfaces — •Igor Sokolović, Alexander Hoheneder, Jesus Redondo, Dominik Wrana, Michael Schmid, Ulrike Diebold, and Martin Setvín
16:15 O 44.4 Polaronic Properties of the weakly-polar SrTiO3(001) Surface — •Florian Ellinger, Michele Reticcioli, Igor Sokolović, Ulrike Diebold, Martin Setvín, and Cesare Franchini
16:30 O 44.5 Ferroelectric domain imaging in barium titanate using infrared-visible sum-frequency generation microscopy — •Dorothee Mader, Daniel Lourens, Maarten Kwaaitaal, Richarda Niemann, Sören Wasserroth, Sandy Gewinner, Marco De Pas, Wieland Schöllkopf, Martin Wolf, Andrei Kirilyuk, Sebastian F. Maehrlein, and Alexander Paarmann
16:45 O 44.6 Topical Talk: Water-oxidation catalysis on surfaces of ferroelectrics — •Ulrich Aschauer, Nathalie Vonrüti, Zhenyun Lan, Didrik R. Småbråten, Tejs Vegge, and Ivano E. Castelli
17:15 O 44.7 The polar KTaO3 (001) surface: Electronic structure and CO adsorptionZhichang Wang, Michele Reticcioli, Zdenek Jakub, Michael Schmid, Gareth Parkinson, Ulrike Diebold, Cesare Franchini, and •Martin Setvin
17:30 O 44.8 Polarons and ferroelectricity: tip-induced phenomena on oxide perovskite surfaces — •Dominik Wrana, Igor Sokolović, Jesus Redondo, Pavel Kocán, Aji Alexander, Llorenç Albons, and Martin Setvin
  17:45 O 44.9 The contribution has been withdrawn (duplicate of O 44.2).
18:00 O 44.10 Topical Talk: Spin-orbitronics and superconductivity in KTaO3 twodimensional electron gases — •Srijani Mallik, Gerbold Ménard, Guilhem Saiz, Hugo Witt, Sara Varotto, Luis M. Vicente-Arche, Julien Bréhin, Annika Johansson, Börge Göbel, Raphaël Salazar, Ingrid Mertig, Lara Benfatto, Nicolas Bergeal, and Manuel Bibes
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DPG-Physik > DPG-Verhandlungen > 2022 > Regensburg