Led PolyimideFilm Calcium thermal_property Array Temperature self_assembly Memory PatternedSapphireSubstrat DomainSwitching HfO2 Deposition PFM Alloy Perovskite ContactModeDots alkanes NanoLithography Chloroform Pvdf mono_layer Writing Praseodymium Electronics Domain MfmPhase Wang Ram pinpoint mode Stiffness SingleLayer Anneal Annealed Ecoli HighResolution