Halide Perovskites Along with their impressive optoelectronic properties, a number of the elementary aspects of hybrid halide perovskites remain a mystery, as represented by the enigmatic Chesire cat looking down upon fascinated researchers. In article number 2103627 Stéphanie Pouget and co-workers combine synchrotron experiments, laboratory X-ray diffraction and calculations to address fundamental questions related to strain and texture in MAPbI3 thin films.
