%0 journal article %@ 1463-9076 %A Santoru, A., Garroni, S., Pistidda, C., Milanese, C., Girella, A., Marini, A., Masolo, E., Valentoni, A., Bergemann, N., Le, T.T., Cao, H., Haase, D., Balmes, O., Taube, K., Mulas, G., Enzo, S., Klassen, T., Dornheim, M. %D 2016 %J Physical Chemistry Chemical Physics %N 5 %P 3910-3920 %R doi:10.1039/C5CP06963G %T A new potassium-based intermediate and its role in the desorption properties of the K–Mg–N–H system %U https://doi.org/10.1039/C5CP06963G 5 %X New insights into the reaction pathways of different potassium/magnesium amide–hydride based systems are discussed. In situ SR-PXD experiments were for the first time performed in order to reveal the evolution of the phases connected with the hydrogen releasing processes. Evidence of a new K–N–H intermediate is shown and discussed with particular focus on structural modification. Based on these results, a new reaction mechanism of amide–hydride anionic exchange is proposed.