Useful Links

X-ray Free electron lasers

• external page LCLS at SLAC, USA
  
• external page XFEL at DESY, Germany
  
• external page SACLA at Spring-8, Japan
• external page SwissFEL at the Paul-Scherrer-Institut, Switzerland
  
• external page PAL-XFEL at Pohang Accelerator Laboratory, South Korea
  

X-ray calculation resources

• external page CXRO Page: X-ray absorption & scattering coefficients, calculation of absorption spectra, bend magnet radiation.
• external page Sergey Stepanov's X-ray Server: Web-based calculations of x-ray diffraction/reflection/scattering in a variety of geometries.

X-ray diffraction resources

• ICSD database: Inorganic crystal astructures database. From PSI or ETHZ this link gives access to the full database; for others it searches a smaller "demo" subset.
• external page International tables: Access to the international crystallographic tables online, available only with insitutional subscription. Also of interest are the external page 230 space groups.
• external page Bilbao crystallographic server: Useful calculation resource for crystallography.
• external page Atomic displacement parameter nomenclature: International standards for some of the most often confused parameters in crystallography!

Numerical Simulation Resources

• external page Numerical Recipies Books Online: PDF/PS copies of chapters from the NR books, useful for general numerical work.
• external page FEFF: Program for calculating x-ray absorption via multiple scattering (not free).