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Berlin 2024 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 33: Focus Session: SrTiO3: A Versatile Material from Bulk Quantum Paraelectric to 2D Superconductor I (joint session TT/KFM/MA/O)

Donnerstag, 21. März 2024, 09:30–12:45, H 0104

Strontium titanate (SrTiO3) is a paradigmatic material that plays an important role in various fields of solid-state physics, surface science and catalysis: The pure bulk phase is a wide-band-gap semiconductor that upon cooling becomes a textbook quantum paraelectric. When slightly doped, SrTiO3 turns into a Fermi-liquid-type metal that becomes superconducting at extremely low charge carrier density. SrTiO3-based surfaces and interfaces host un-conventional electronic states such as quasi-two-dimensional electron liquid, magnetism and superconductivity. Despite intensive studies over the past decades, SrTiO3 continues to reveal surprising new phenomena that challenge the established views on this material. To this end achieving light-induced nonequilibrium states and the recent preparation of a 2D oxide based on SrTiO3 opens new playgrounds for research. This Focus Session will present exciting developments in the study of electronic states that are based on the peculiar properties of SrTiO3.

Please note that this Focus Session comprises four parts: Posters are presented within the TT poster session TT58 (Wed 15:00-18:00, poster area E). Invited talks are compiled in the session TT62 (Thursday, 9:30 to 12:45, H0104), Contributed talks will be presented in sessions TT72 (Thursday 15:00-18:00, H0104) and TT83 (Fri 9:30-12:30, H0104).

Organizers: Rossitza Pentcheva, University of Duisburg-Essen, Marc Scheffler, University of Stuttgart

09:30 MA 33.1 Hauptvortrag: Ferroelectricity and Superconductivity in SrTiO3 — •Susanne Stemmer
10:00 MA 33.2 Hauptvortrag: Dilute superconductivity in doped strontium titanate — •Kamran Behnia
10:30 MA 33.3 Hauptvortrag: Polarons and Excitons in quantum-paraelectric SrTiO3 — •Cesare Franchini
  11:00 15 min. break
11:15 MA 33.4 Hauptvortrag: Controlling ferroelectrics with light — •Andrea Cavalleri
11:45 MA 33.5 Hauptvortrag: Terahertz electric field driven dynamical multiferroicity in SrTiO3 — •Stefano Bonetti
  12:15 MA 33.6 The contribution has been withdrawn.
12:30 MA 33.7 Dynamics of the critical phonon modes in quantum paraelectric SrTiO3 — •Shiyu Deng, Charles S. Haines, Matthew J. Coak, Alexandre Ivanov, Andrea Piovano, Andrew R. Wildes, and Siddharth S. Saxena
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DPG-Physik > DPG-Verhandlungen > 2024 > Berlin