In situ tools for the exploration of structure-property relationships / Claudia Weidenthaler -- Understanding stacking disorder In layered functional materials using powder diffraction / Sebastian Bette and Robert E. Dinnebier -- Crystal chemistry Investigations on photovoltaic chalcogenldes / Alain Lafond et al. -- Energy band gap variations In chalcogenlde compound semiconductors: Influence of crystal structure, structural disorder, and compositional variations / Susan Schorr and Galina Gurieva -- Halide semiconductors: symmetry relations In the perovsklte type and beyond / Joachim Breternitz -- Structural ordering in cerla-based suboxldes applied for thermochemical water splitting / Nicole Knoblauch and Martin Schmucker -- The influence of electrode material crystal structure on battery performance / Christophe Didier, Wei Kong Pang, and Vanessa K. Peterson -- Hydroborates as novel solid-state electrolytes / Arndt Remhof and Radovan Cerny -- Crystallographic challenges In corrosion research / Christiane Stephan-Scherb -- Crystallographic diffraction techniques and density functional theory: two sides of the same coin? / Daniel Fritsch -- Crystallographic deviants: modelling symmetry shirkers / Bernd Hinrichsen.