Electrons are the workhorses of solar energy conversion. Conversion of the energy of light to
electricity in photovoltaics, or to energy-rich molecules (solar fuel) through photocatalytic …

The state-of-the-art technology of X-ray microcalorimeters based on superconducting
transition-edge sensors (TESs), for applications in astrophysics and particle physics, is …

X-ray spectroscopy has had a significant and continually growing impact on catalysis
research for nearly 50 years. In particular, the ability to obtain element selective electronic …

X-ray-based analytics are routinely applied in many fields, including physics, chemistry,
materials science, and engineering. The full potential of such techniques in the life sciences …

To test bound-state quantum electrodynamics (BSQED) in the strong-field regime, we have
performed high precision x-ray spectroscopy of the 5 g–4 f and 5 f–4 d transitions (BSQED …

This review covers the modern era of experimental kaonic atom studies, encompassing 20
years of activity, defined by breakthroughs in technological developments which allowed …

Future X-ray astrophysics experiments require multiplexed readout of high fill-factor, kilo-
pixel arrays of transition-edge sensors (TESs), with very high spectral resolution over a …

Charge density waves (CDWs) have been observed in nearly all families of copper-oxide
superconductors. But the behavior of these phases across different families has been …

We present results obtained with a new soft X-ray spectrometer based on transition-edge
sensors (TESs) composed of Mo/Cu bilayers coupled to bismuth absorbers. This …

X-ray emission spectroscopy in a point-to-point focusing geometry using instruments that
employ more than one analyzer crystal poses challenges with respect to mechanical design …