Florian Otte
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View article: Structural Evolution of Photoexcited Methylcobalamin toward a CarH-like Metastable State: Evidence from Time-Resolved X-ray Absorption and X-ray Emission
Structural Evolution of Photoexcited Methylcobalamin toward a CarH-like Metastable State: Evidence from Time-Resolved X-ray Absorption and X-ray Emission Open
CarH is a protein photoreceptor that uses a form of B12, adenosylcobalamin (AdoCbl), to sense light via formation of a metastable excited state. Aside from AdoCbl bound to CarH, methylcobalamin (MeCbl) is the only other example─…
View article: Experimental capabilities for liquid jet samples at sub-MHz rates at the FXE Instrument at European XFEL
Experimental capabilities for liquid jet samples at sub-MHz rates at the FXE Instrument at European XFEL Open
The Femtosecond X-ray Experiments (FXE) instrument at the European X-ray Free-Electron Laser (EuXFEL) provides an optimized platform for investigations of ultrafast physical, chemical and biological processes. It operates in the energy ran…
View article: Hard X-ray emission spectroscopy in liquids using MHz XFEL source and JUNGFRAU detectors
Hard X-ray emission spectroscopy in liquids using MHz XFEL source and JUNGFRAU detectors Open
X-ray free-electron lasers (XFEL) provide unique opportunities for hard X-ray emission spectroscopy (XES) in solution phase by enabling femtosecond temporal resolution. The high brilliance and MHz repetition rate of such sources drive the …
View article: Watching Excited State Dynamics with Optical and X-ray Probes: The Excited State Dynamics of Aquocobalamin and Hydroxocobalamin
Watching Excited State Dynamics with Optical and X-ray Probes: The Excited State Dynamics of Aquocobalamin and Hydroxocobalamin Open
Femtosecond time-resolved X-ray absorption (XANES) at the Co K-edge, X-ray emission (XES) in the Co Kβ and valence-to-core regions, and broadband UV-vis transient absorption are combined to probe the femtosecond to picosecond sequential at…
View article: Ultrafast Jahn‐Teller Photoswitching in Cobalt Single‐Ion Magnets
Ultrafast Jahn‐Teller Photoswitching in Cobalt Single‐Ion Magnets Open
Single‐ion magnets (SIMs) constitute the ultimate size limit in the quest for miniaturizing magnetic materials. Several bottlenecks currently hindering breakthroughs in quantum information and communication technologies could be alleviated…
View article: A sensitive high repetition rate arrival time monitor for X-ray free electron lasers
A sensitive high repetition rate arrival time monitor for X-ray free electron lasers Open
View article: Redox behaviour of plutonium in the presence of Al-doped iron oxide mineral surfaces: a solid-phase perspective using HERFD-XANES
Redox behaviour of plutonium in the presence of Al-doped iron oxide mineral surfaces: a solid-phase perspective using HERFD-XANES Open
View article: A compact von Hámos spectrometer for parallel X-ray Raman scattering and X-ray emission spectroscopy at ID20 of the European Synchrotron Radiation Facility
A compact von Hámos spectrometer for parallel X-ray Raman scattering and X-ray emission spectroscopy at ID20 of the European Synchrotron Radiation Facility Open
A compact spectrometer for medium-resolution resonant and non-resonant X-ray emission spectroscopy in von Hámos geometry is described. The main motivation for the design and construction of the spectrometer is to allow for acquisition of n…
View article: A sensitive high repetition rate arrival time monitor for X-ray Free Electron Lasers
A sensitive high repetition rate arrival time monitor for X-ray Free Electron Lasers Open
We demonstrate a new scheme to measure the relative arrival time between femtosecond pulses of hard X-radiation from a free electron laser and femtosecond optical pulses from an amplified laser system at the Femtosecond X-ray Experiments I…
View article: 3D printed devices and infrastructure for liquid sample delivery at the European XFEL
3D printed devices and infrastructure for liquid sample delivery at the European XFEL Open
The Sample Environment and Characterization (SEC) group of the European X-ray Free-Electron Laser (EuXFEL) develops sample delivery systems for the various scientific instruments, including systems for the injection of liquid samples that …
View article: Ultrafast X-ray Photochemistry at European XFEL: Capabilities of the Femtosecond X-ray Experiments (FXE) Instrument
Ultrafast X-ray Photochemistry at European XFEL: Capabilities of the Femtosecond X-ray Experiments (FXE) Instrument Open
Time-resolved X-ray methods are widely used for monitoring transient intermediates over the course of photochemical reactions. Ultrafast X-ray absorption and emission spectroscopies as well as elastic X-ray scattering deliver detailed elec…
View article: Scientific instrument Femtosecond X-ray Experiments (FXE): instrumentation and baseline experimental capabilities
Scientific instrument Femtosecond X-ray Experiments (FXE): instrumentation and baseline experimental capabilities Open
The European X-ray Free-Electron Laser (EuXFEL) delivers extremely intense (>10 12 photons pulse −1 and up to 27000 pulses s −1 ), ultrashort (<100 fs) and transversely coherent X-ray radiation, at a repetition rate of up to 4.5 MHz. Its u…
View article: Simulation framework SYRIS tested for microtomography applications at the imaging beamline P05/PETRA III
Simulation framework SYRIS tested for microtomography applications at the imaging beamline P05/PETRA III Open
The Helmholtz-Zentrum Geesthacht, Germany, is operating the user experiments for microtomography at the beamlines P05 and P07 using synchrotron radiation produced in the storage ring PETRA III at DESY, Hamburg, Germany. In recent years the…