no code implementations • 28 Jun 2023 • Valentin Munteanu, Vladimir Starostin, Alessandro Greco, Linus Pithan, Alexander Gerlach, Alexander Hinderhofer, Stefan Kowarik, Frank Schreiber
Due to the lack of phase information, determining the physical parameters of multilayer thin films from measured neutron and X-ray reflectivity curves is, on a fundamental level, an underdetermined inverse problem.
no code implementations • 20 Jun 2023 • Linus Pithan, Vladimir Starostin, David Mareček, Lukas Petersdorf, Constantin Völter, Valentin Munteanu, Maciej Jankowski, Oleg Konovalov, Alexander Gerlach, Alexander Hinderhofer, Bridget Murphy, Stefan Kowarik, Frank Schreiber
Our focus lies on the beamline integration of ML-based online data analysis and closed-loop feedback.
1 code implementation • 22 Feb 2022 • Vladimir Starostin, Valentin Munteanu, Alessandro Greco, Ekaterina Kneschaurek, Alina Pleli, Florian Bertram, Alexander Gerlach, Alexander Hinderhofer, Frank Schreiber
Understanding the processes of perovskite crystallization is essential for improving the properties of organic solar cells.
no code implementations • 20 Oct 2021 • Benedikt Sohmen, Christian Beck, Tilo Seydel, Ingo Hoffmann, Bianca Hermann, Mark Nüesch, Marco Grimaldo, Frank Schreiber, Steffen Wolf, Felix Roosen-Runge, Thorsten Hugel
Nano- and picosecond dynamics have been assigned to local fluctuations, while slower dynamics have been attributed to larger conformational changes.
no code implementations • 8 Mar 2021 • Alexander Hinderhofer, Jan Hagenlocher, Alexander Gerlach, Joachim Krug, Martin Oettel, Frank Schreiber
Understanding non-equilibrium phenomena, such as growth, and connecting them to equilibrium phase behavior is a major challenge, in particular for complex multicomponent materials.
Applied Physics Computational Physics
no code implementations • 5 Oct 2020 • Eelco Empting, Miriam Klopotek, Alexander Hinderhofer, Frank Schreiber, Martin Oettel
Thin film growth is investigated in two types of lattice gas models where substrate and film particles are different, expressed by unequal interaction energy parameters.
Soft Condensed Matter
no code implementations • 7 Oct 2019 • Alessandro Greco, Vladimir Starostin, Christos Karapanagiotis, Alexander Hinderhofer, Alexander Gerlach, Linus Pithan, Sascha Liehr, Frank Schreiber, Stefan Kowarik
X-ray reflectivity (XRR) is a powerful and popular scattering technique that can give valuable insight into the growth behavior of thin films.