temp lift_mode Yeditepe_University flakes Genetic polyvinyl acetate Non-ContactMode LightEmission SKPM NtuEee Mfm Piezoelectric Organic Lattice F14H20 Typhimurium Mechanical TiO2 PolyvinylAcetate PolyimideFilm Leakage Wang TemperatureControllerStage Flake BismuthFerrite VerticalPFM aluminum_nitride Hysteresys MLCC Ferroelectric hard_disk_media piezoelectric force microscopy BTO C36H74 semifluorinated alkane