X Ray Photon Correlation Spectroscopy for the study of polymer dynamics

11 pags., 6 figs., 1 tab.X Ray Photon Correlation Spectroscopy, XPCS, is a novel technique developed for the study of slow dynamics in condensed matter. The principle of this technique is based on the time variations of the speckle pattern originated by the scattering of coherent light from a material with spatial inhomogeneities. Although laser photon correlation spectroscopy was long established, XPCS has only been possible with the advent of new synchrotron radiation X-ray sources that can provide sufficient coherent flux. The results from these techniques and future perspectives in the field of polymer science are discussed here. © 2016 Elsevier Ltd. All rights reserved.The authors gratefully acknowledge financial support from the MINECO, Spain (MAT2014-59187-R) and from NSLS-II under contract No. DE-SC0012704 with the US Department of Energy.Peer Reviewe