In Situ Synchrotron Radiation Research in Materials Science
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		    produced by synchrotron accelerators emerged. Synchrotron radiation (SR) is an intense and forward-focused beam of radiation that is emitted when the path of an électron traveling at almost the speed of light is bent by a magnetic field. Figure 1 illustrâtes the évolution of radiation intensity provided by v a r i o u s x-ray
 
 X-rays hâve found a wide range of applications in chemistry, physics, and materials engineering since their discovery in 1895 by W. Roentgen. The materials science c o m m u n i t y uses x-ray-based techniques extensively for characterization of materials. In the 1970s a new tunable source of x-rays from the radiation
 
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