Korea Edwin MfmAmplitude membrane fifber SmalScan TappingMode Polyvinylidene_fluoride Perovskite Alloy electrospinning TemperatureControlledAFM Forevision PinpointPFM Neodymium Piezoelectric TungstenThinFilmDeposition Glass Pyroelectric Imprint temp_control IRDetector SoftSample Pvdf EFM Boron CeramicCapacitor Multiferroic_materials Device Workfunction Sulfur Pattern Silver Fe_film CHRYSALIS_INC