7Li Ion Diffusion in Isotope-diluted Glassy Li2Si3O7 – The Generation of pure Spin-3/2 Spin-alignment NMR Echoes - Wohlmuth, Dominik; Epp, Viktor; Bauer, Ute; Welsch, Anna-Maria; Behrens, Harald; Wikening, Martin (Diffusion Fundamentals, 2017)