SThM Monisha ImideMonomer piezoelectric force microscopy MESA structure Platinum Phase FM_KPFM domain_switching CalciumHydroxide VinylAlcohol Hexatriacontane MagneticArray Wang Annealing NiFe Laser Magnetic Force Microscopy Vinylpyridine Piezo Step MagneticPhase SurfaceChange Pore fluorocarbon CalciumHydroxyapatite IVSpectroscopy Materials Zagreb HydroGel PolycrystallineFerroelectricBCZT Nanostructure light_emission Tapping DeflectionOptics