Fig. 1: Pb-based HaP single crystals used in this study.
From: Nanomechanical signatures of degradation-free influence of water on halide perovskite mechanics

Horizontally: MAPbX3 (X = Cl, Br, and I); vertically: APbBr3 (A = Cs, MA, and FA).
From: Nanomechanical signatures of degradation-free influence of water on halide perovskite mechanics
Horizontally: MAPbX3 (X = Cl, Br, and I); vertically: APbBr3 (A = Cs, MA, and FA).