Sadowski Dr.JurekSadowski Ptfe Stiffness Phthalocyanine Celebration Filter LiquidCrystal LDPE Annealed PatternedSapphireSubstrat Sapphire SPMLabs Techcomp AM_KPFM DataStorage DOE IIT-chennai AAO ScanningThermalMicroscopy TemperatureControllerStage margarine Polarization Non-ContactMode membrane atomic_steps SurfaceChange Electrical&Electronics StrontiumTitanate exfoliate Polystyrene Polypropylene HighAcpectRatio FrequencyModulation HexagonalBN