The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Diagram of an X-ray Reflectometry (XRR) setup: This schematic shows the arrangement of the X-ray tube, Gӧbel mirror, sample holder, and detector. The X-rays are emitted from the tube, shaped by slits ...

Schematic of a grazing incidence small and wide angle X-ray scattering (GISAXS/GIWAXS) experimental setup showing the incident (αi) and the scattered angles along the horizontal (2θf) and vertical (αf ...