A5032448979- Advanced X-ray Imaging Techniques
- X-ray Spectroscopy and Fluorescence Analysis
- Advanced Electron Microscopy Techniques and Applications
- Enzyme Structure and Function
- Porphyrin Metabolism and Disorders
- High-pressure geophysics and materials
- Porphyrin and Phthalocyanine Chemistry
- AI-based Problem Solving and Planning
- Crystallography and Radiation Phenomena
- Metal-Catalyzed Oxygenation Mechanisms
- Advanced MRI Techniques and Applications
- Quantum and electron transport phenomena
- Diamond and Carbon-based Materials Research
- Particle Accelerators and Free-Electron Lasers
- Magnetism in coordination complexes
- Radioactive element chemistry and processing
- Advanced Memory and Neural Computing
- Nuclear materials and radiation effects
- Nuclear Materials and Properties
- Medical Imaging Techniques and Applications
- Distributed and Parallel Computing Systems
- Electron and X-Ray Spectroscopy Techniques
- Nuclear Physics and Applications
- Folate and B Vitamins Research
European X-Ray Free-Electron Laser
2019-2024
TU Dortmund University
2019-2023
Helmholtz-Zentrum Dresden-Rossendorf
2022-2023
European Synchrotron Radiation Facility
2022-2023
Max Planck Institute for the Structure and Dynamics of Matter
2019
Universität Hamburg
2019
Hamburg Centre for Ultrafast Imaging
2019
The Sample Environment and Characterization (SEC) group of the European X-ray Free-Electron Laser (EuXFEL) develops sample delivery systems for various scientific instruments, including injection liquid samples that enable serial femtosecond crystallography (SFX) single-particle imaging (SPI) experiments, among others. For rapid prototyping device types materials, sub-micrometre precision 3D printers are used to address specific experimental conditions SFX SPI by providing a large number...
Time-resolved X-ray methods are widely used for monitoring transient intermediates over the course of photochemical reactions. Ultrafast absorption and emission spectroscopies as well elastic scattering deliver detailed electronic structural information on chemical dynamics in solution phase. In this work, we describe opportunities at Femtosecond Experiments (FXE) instrument European XFEL. Guided by idea combining spectroscopic techniques one experiment, FXE has completed initial...
Single-ion magnets (SIMs) constitute the ultimate size limit in quest for miniaturizing magnetic materials. Several bottlenecks currently hindering breakthroughs quantum information and communication technologies could be alleviated by new generations of SIMs displaying multifunctionality. Here, ultrafast optical absorption spectroscopy X-ray emission are employed to track photoinduced spin-state switching prototypical complex [Co(terpy)
The European X-ray Free-Electron Laser (EuXFEL) delivers extremely intense (>10 12 photons pulse −1 and up to 27000 pulses s ), ultrashort (<100 fs) transversely coherent radiation, at a repetition rate of 4.5 MHz. Its unique beam parameters enable novel groundbreaking experiments in ultrafast photochemistry material sciences the Femtosecond Experiments (FXE) scientific instrument. This paper provides an overview currently implemented experimental baseline instrumentation its...
Femtosecond time-resolved X-ray absorption (XANES) at the Co K-edge, emission (XES) in Kβ and valence-to-core regions, broadband UV–vis transient are combined to probe femtosecond picosecond sequential atomic electronic dynamics following photoexcitation of two vitamin B12 compounds, hydroxocobalamin aquocobalamin. Polarized XANES difference spectra allow identification structural evolution involving first equatorial then axial ligands, with latter showing rapid coherent bond elongation...
A compact spectrometer for medium-resolution resonant and non-resonant X-ray emission spectroscopy in von Hámos geometry is described. The main motivation the design construction of to allow acquisition spectra while measuring Raman scattering at beamline ID20 European Synchrotron Radiation Facility. Technical details are provided performance possible use demonstrated by presenting results several spectroscopic methods on various compounds.
X-ray free-electron laser sources enable time-resolved studies with unmatched temporal resolution. To fully exploit ultrashort pulses, timing tools are essential. However, new high repetition rate facilities present challenges for currently used tool schemes. Here we address this issue by demonstrating a sensitive scheme to enhance experimental time resolution in pump-probe experiments at very pulse rates. Our method employs self-referenced detection using time-sheared chirped optical...
The Femtosecond X-ray Experiments (FXE) instrument at the European Free-Electron Laser (EuXFEL) provides an optimized platform for investigations of ultrafast physical, chemical and biological processes. It operates in energy range 4.7-20 keV accommodating flexible versatile environments a wide samples using diverse spectroscopic, scattering diffraction techniques. FXE is particularly suitable experiments taking advantage sub-MHz repetition rates provided by EuXFEL. In this paper dedicated...
X-ray free-electron lasers (XFEL) provide unique opportunities for hard emission spectroscopy (XES) in solution phase by enabling femtosecond temporal resolution. The high brilliance and MHz repetition rate of such sources drive the development specialized sample delivery systems to overcome challenges degradation, as well major advances multiple-gain detectors fully utilize dynamic range required detection. This paper addresses experimental limitations that arise a typical XES experiment...
CarH is a protein photoreceptor that uses form of B
Autonomous mobile robots are well visible both in science and popular media. Significant progress has been made lately that branch of robotics all involved aspects science, technology engineering. Interesting studies forecasts have how robots, based on the robotics, started to become parts our lives will increasingly do so future. However, we think fascination with idea - preferably humanoid ones public outshining topic is actually making impact society here: The behind these advanced...
The Helmholtz-Zentrum Geesthacht, Germany, is operating the user experiments for microtomography at beamlines P05 and P07 using synchrotron radiation produced in storage ring PETRA III DESY, Hamburg, Germany. In recent years software pipeline sample changing hardware performing high throughput were developed. To test optimize different measurement techniques together with quantification of quality reconstruction algorithms a framework to simulate was implemented. Results from simulated...
Abstract We demonstrate a new scheme to measure the relative arrival time between femtosecond pulses of hard X-radiation from free electron laser and optical an amplified system at Femtosecond X-ray Experiments Instrument European XFEL. The method is based on interference two chirped traversing through stimulated diamond plate. Applying effective medium theory we subtle refractive index changes 5.7 × 10 -5 due density conduction band electrons generated by sub-milli-Joule intense pulse....