fig10
Figure 10. Temperature-dependent MSRDs: (A) parallel, (B) perpendicular and (C) γEXAFS. Red: MAPbI3 (Schuck et al.[6]); blue: MAPbBr3 (Weadock et al.[7]). Solid lines: Einstein fits. In (B) the parallel MSRD values for MAPbI3 were fitted with two Einstein temperatures, one for the orthorhombic low-temperature range up to 160 K, the other for the tetragonal high-temperature range up to 260 K (here with an additional static component of 0.05). This procedure also leads to a better explanation of the experimental values for the description of the γEXAFS dependence in (C). Adapted with permission from Schuck et al.[6]. Copyright 2022 American Chemical Society.
