Fe_film Nanopattern MfmPhase Fluoride Genetic PhaseChange Battery 2dMaterials PolycrystallineFerroelectricBCZT WPlug Al2O3 Reading SThM self-assembled_monolayer PatternedSapphireSubstrat Perovskite Tapping Hexatriacontane Potential Strontium SmalScan INSP 2d_materials ring shape BoronNitride electrospinning molecular_beam PyroelectricDetector Dimethicone FAPbI3 Filter Permalloy Pinpoint PFM HydroGel IISCBangalore