AdhesionForce Cross-section Piezoelectric Mosfet CrAu Defects PtfeMembrane Annealing LDPE HanyangUniv TCS PvdfBead Ram I-VSpectroscopy Array Fiber Floppy Temasek_Lab Tungsten amplitude_modulation Current AM_KPFM Oxidation PolyvinylideneFluoride ULCA conductive MfmPhase Ceramics LowDensityPolyethylene thermal_conductivity pulsed_laser_deposition BismuthFerrite Ferrite Conducting PolyvinylAcetate