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We experimentally determined the bulk modulus of (Mg0.8Fe0.2)O ferropericlase across theiron spin transition and in the low-spin phase by employing a new experimental approach. In ourmeasurements, we simulate the propagation of a compressional seismic wave (P wave) through our sampleby employing a piezo-driven dynamic diamond anvil cell that allows to oscillate pressure at seismicfrequencies. [...]

Accurate ab initio calculations on the rotation–vibration spectrum of methyl fluoride (CH$_3$F) are reported. A new nine-dimensional potential energy surface (PES) and dipole moment surface (DMS) have been generated using high-level electronic structure methods. [...]

Liquid microjets are a common means of delivering protein crystals to the focus of X-ray free-electron lasers (FELs) for serial femtosecond crystallography measurements. The high X-ray intensity in the focus initiates an explosion of the microjet and sample. [...]

A standard method of reconstructing the structure of a protein in its crystalline phase is by x-ray diffraction. New generation x-ray sources, the X-ray free-electron lasers (XFEL), provide novel opportunities for biomolecular structure determination. [...]

In laser illuminated dielectric accelerators (DLA) high acceleration gradients can be achieved, due to high damage thresholds of the materials at optical frequencies. This is a necessity in developing more compact particle accelerator technologies. [...]