conductive CopperFoil AEAPDES Heating chemical_compound Solution KAIST Galfenol Morphology FM-KPFM fluoroalkane LiBattery Cross-section PvdfFilm ThinFilm BariumTitanate Dental LateralForceMicroscopy TipBiasMode PtfeFilter HafniumDioxide PetruPoni neodymium_magnets TemperatureControl BismuthVanadate Tapping Ucl electrospinning Mfm PyroelectricDetector Optical MultiferroicMaterials 2dMaterials Phosphide SKKU