Synchrotron photon sources offer an extremely wide energy spectrum, ultra-small beam dimensions and extreme temporal resolution, making it possible to investigate a huge range of dynamic processes in materials and biological systems.
At IPS we develop and apply synchrotron-based in situ & operando X-ray imaging, X-ray spectroscopy, and X-ray scattering techniques within the framework of the Helmholtz Research Program "From Matter to Materials and Life" (MML). Our research comprises pioneering, proof-of-principle experiments as well as systematic studies, which advance our understanding of the relationships between structure, function and behaviour in materials research and the life sciences. For this purpose the IPS operates the three state-of-the-art SPECTROSCOPY, SCATTERING and IMAGING Clusters, incorporating beamline and laboratory instrumentation at the KIT Light Source together with facilities at the synchrotron sources at PETRA III, the ESRF and the ALS.
Our research activities are closely linked to teaching and research within the KIT Faculties of Physics and Chemistry & Biosciences, and we work in close cooperation with other KIT institutes and with leading national and international research institutions and universities.
Merve Kabukcuoglu and Mathias Hurst received awards for their contributions related to X-ray laminography at international conferences. Merve gave a talk on dislocation dynamics in GaAs at the XTOP2024. Mathias presented the development and application of hierarchical in situ laminography at the XRM2024.
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Constantin Wansorra received the outstanding conference presentation award at the HAXPES 2024 conference for his talk entitled “Are calculated partial photoionization cross sections good enough for HAXPES applications?”.
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The laser fragmentation of gold colloids has been investigated both with picosecond time resolved x-ray scattering as well as in large-scale simulation methods. The results confirm a model of thermal phase explosion of the laser-excited nanoparticles, which explains the size distribution of fragments in the 2-3 nm range.
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The HERCULES European School in Grenoble, France, is dedicated to train students and scientists from European universities and laboratories. Recently, participants of the school completed an internship at KIT. During their stay, they attended lectures, tutorials and practical courses at the KIT Light Source.
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Researchers at IPS, in collaboration with partners across Germany, have developed an X-ray imaging method tailored for living samples and dose-sensitive materials. The system allows for capturing images with micron-level resolution while minimizing radiation exposure. In a pilot study, the technique was applied to observe living parasitoid wasps inside their hosts for over 30 minutes.
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Novel X-ray detectors based on printed perovskite semiconductors were developed at the LTI and characterized with researchers from the IPS in the X-ray laboratories there. The perovskite layers were folded using a special technique in order to obtain smaller pixels with increased efficiency at the same time. The promising results were published in npj Flexible Electronics.
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