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O: Fachverband Oberflächenphysik
O 44: Focus Session: Surfaces and Interfaces of (Incipient) Ferroelectrics (joint session O/KFM)
Wednesday, September 7, 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)
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15:00 | O 44.1 | Topical Talk: In search of electrostatic happiness at surfaces — •Nicola Spaldin |
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15:30 | O 44.2 | Topical Talk: Optimisation and miniaturisation of naturally-layered multiferroic thin films — •Lynette Keeney |
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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 |
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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 |
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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 |
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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 |
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17:15 | O 44.7 | The polar KTaO3 (001) surface: Electronic structure and CO adsorption — Zhichang Wang, Michele Reticcioli, Zdenek Jakub, Michael Schmid, Gareth Parkinson, Ulrike Diebold, Cesare Franchini, and •Martin Setvin |
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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). | |
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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 |