Time resolved simultaneous small-angle X-ray scattering (SAXS) and wide-angle X-ray scattering (WAXS) experiments can provide structural information on the changes in different levels of organisation in a system when it is subjected to a perturbation. These perturbations can be chemical, thermodynamic or physical. However, often there is a desire to gain insights into the mechanism of phase transitions beyond the purely structural information. This can be achieved by combining SAXS and WAXS experiments with thermal analysis or spectroscopic methods. In order to be able to accurately correlate the results from these techniques with the evolution in the structure it is desirable to perform these experiments simultaneously and on the same sample. The higher the time resolution the greater the importance of technique combinations.

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Journal J. Mol. Struct.
Bras, Wim, & Ryan, A. J. (1996). Small-angle x-ray scattering and wide-angle x-ray scattering experiments combined with thermal and spectroscopic analysis techniques. J. Mol. Struct., 383, 309–314.