X-rays Diffraction 39 Measurement 17 Optical properties 11 Industrial applications 9 Powders 9 Scattering 6 Semiconductors 6 X-ray crystallography 6 X-ray diffractometer 6 Materials 5 Compound semiconductors 4 Crystallography 4 Design and construction 4 Equipment and supplies 4 Gamma ray detectors 4 Inspection 4 Integrated circuits 4 Quality control 4 Semiconductor wafers 4 Therapeutics use 4 Thin films 4 Congresses 3 Nanostructured materials 3 Radiography, Industrial 3 Electrolytes 2 Engineering design 2 Experiments 2 Fluroscopy 2 History 2