Design of metastable oxychalcogenide phases by topochemical (de)intercalation of sulfur in La2O2S2 oleh Shunsuke Sasaki, Maria Teresa Caldes, Catherine Guillot-Deudon, Isabelle Braems, Gwladys Steciuk, Lukáš Palatinus, Eric Gautron, Gilles Frapper, Etienne Janod, Benoît Corraze, Stéphane Jobic, Laurent Cario