Journal Article ferroelectricity homochirality phase transitions 2D hydrogen bond network 2D lead iodide perovskite Arabidopsis Proteins HDC1 protein, Arabidopsis Nuclear Proteins Phosphates Research Support, Non-U.S. Gov't bandgap engineering biodegradable ferroelectric materials chiral perovskite ferroelectric ferroelectric domain ferroelectric domains ferroelectrics histone acetylation histone deacetylase complex iron homeostasis metal halide perovskites molecular design molecular ferroelectrics molecular plastic crystal multiaxial ferroelectric nature multiple polarization directions phase transition phosphate deficiency piezoresponse force microscopy