140 citations · 283 across the 14 of their papers we have counts for
14 papers
Elucidating Structure Formation in Highly Oriented Triple Cation Perovskite Films
Oscar Telschow, Niels Scheffczyk, Alexander Hinderhofer +8
Metal halide perovskites are an emerging class of crystalline semiconductors of great interest for application in optoelectronics. Their properties are dictated not only by their c…
How nanoporous silicon-polypyrrole hybrids flex their muscles in aqueous electrolytes: In operando high-resolution x-ray diffraction and electron tomography-based micromechanical computer simulations
Manuel Brinker, Marc Thelen, Manfred May +7
Macroscopic strain experiments revealed that Si crystals traversed by parallel, channel-like nanopores functionalized with the muscle polymer polypyrrole exhibit large and reversib…
Neural network analysis of neutron and X-ray reflectivity data: automated analysis using mlreflect, experimental errors and feature engineering
Alessandro Greco, Vladimir Starostin, Evelyn Edel +8
This work demonstrates the Python package mlreflect which implements an optimized pipeline for the automized analysis of reflectometry data using machine learning. The package comb…
Tracking perovskite crystallization via deep learning-based feature detection on 2D X-ray scattering data
Vladimir Starostin, Valentin Munteanu, Alessandro Greco +6
Understanding the processes of perovskite crystallization is essential for improving the properties of organic solar cells. In situ real-time grazing-incidence X-ray diffraction (G…
Structural and magnetic investigation of the interfaces of with and without NiO interlayer
Tobias Pohlmann, Florian Bertram, Jannis Thien +6
We present an investigation on the structural and magnetic properties of the interfaces of and by extracting cation-sele…
Time-resolved diffraction and photoelectron spectroscopy investigation of the reactive molecular beam epitaxy of ultrathin films
Tobias Pohlmann, Martin Hoppe, Jannis Thien +10
We present time-resolved high energy x-ray diffraction (tr-HEXRD), time-resolved hard x-ray photoelectron spectroscopy (tr-HAXPES) and time-resolved grazing incidence small angle x…
Quantitative comparison of the magnetic proximity effect in Pt detected by XRMR and XMCD
Dominik Graulich, Jan Krieft, Anastasiia Moskaltsova +8
X-ray resonant magnetic reflectivity (XRMR) allows for the simultaneous measurement of structural, optical and magnetooptic properties and depth profiles of a variety of thin film…
Beam damage of single semiconductor nanowires during X-ray nano beam diffraction experiments
Ali AlHassan, Jonas Lähnemann, Arman Davtyan +8
Nanoprobe X-ray diffraction (nXRD) using focused synchrotron radiation is a powerful technique to study the structural properties of individual semiconductor nanowires. However, wh…
Cation- and lattice-site-selective magnetic depth profiles of ultrathin (001) films
Tobias Pohlmann, Timo Kuschel, Jari Rodewald +7
A detailed understanding of ultrathin film surface properties is crucial for the proper interpretation of spectroscopic, catalytic and spin-transport data. We present x-ray magneti…
Spatially-resolved luminescence and crystal structure of single core-shell nanowires measured in the as-grown geometry
Ali AlHassan, Jonas Lähnemann, Steven Leake +9
We report on the direct correlation between the structural and optical properties of single, as-grown core-multi-shell GaAs/InGaAs/GaAs/AlAs/GaAs nanowires. Fabri…
Impact of strain and morphology on magnetic properties of FeO/NiO bilayers grown on Nb:SrTiO(001) and MgO(001)
Olga Kuschel, Nico Pathé, Tobias Schemme +7
We present a comparative study on the morphology and structural as well as magnetic properties of crystalline FeO/NiO bilayers grown on both MgO(001) and SrTiO(001) sub…
Confining Metal-Halide Perovskites in Nanoporous Thin Films
Stepan Demchyshyn, Janina Melanie Roemer, Heiko Groiß +12
Controlling size and shape of semiconducting nanocrystals advances nanoelectronics and photonics. Quantum confined, inexpensive, solution derived metal halide perovskites offer nar…
Static magnetic proximity effect in Pt/NiFe bilayers investigated by x-ray resonant magnetic reflectivity
Christoph Klewe, Timo Kuschel, Jan-Michael Schmalhorst +6
We present x-ray resonant magnetic reflectivity (XRMR) as a very sensitive tool to detect proximity induced interface spin polarization in Pt/Fe, Pt/NiFe, Pt/Ni$_{81}…
Structure and morphology of epitaxially grown Fe3O4/NiO bilayers on MgO(001)
Tobias Schemme, Olga Kuschel, Florian Bertram +2
Crystalline Fe3O4/NiO bilayers were grown on MgO(001) substrates using reactive molecular beam epitaxy to investigate their structural properties and their morphology. The film thi…