FrequencyModulation margarine Titanate Piranha Nanopattern TriGlycineSulphate NTU Chemical Vapor Deposition Inorganic_Compound Polarization Multiferroic_materials Croatia University_of_Regensburg CalciumHydroxyapatite P3HT 2dMaterials Cobalt-dopedIronOxide WWafer Fe_film HiVacuum Scanning_Thermal_Microscopy Ca10(PO4)6(OH)2 conductive LiNbO3 Ito kelvin probe force microscopy #Materials ScanningThermalMicroscopy SKKU Annealing Tungsten Terrace Chungnam_National_University Pinpoint PFM chemical_compound