Title: Hybrid instrument for<i>in situ</i>studies at the ESS
Abstract:Sessions C248actinide-bearing pyrophosphates and found that all of them exhibit this unusual high temperature behaviour above 673K.Besides we also found that their room temperature structure is not cu...Sessions C248actinide-bearing pyrophosphates and found that all of them exhibit this unusual high temperature behaviour above 673K.Besides we also found that their room temperature structure is not cubic as previously reported [6] but triclinic (distorted cubic) and transform into a cubic form around 150°C.The phase transition has been characterized by various experimental techniques, X-ray diffraction, solid-state NMR and Raman spectroscopy.The room temperature structure has been determined by from synchrotron radiation data obtained at the ESRF.Our presentation will report the experimental results and discussed the structural aspect related with the contraction of the materials at high temperatures.Read More