Thermal Pinpoint PFM self_assembly HiVacuum TriGlycineSulphate AM_KPFM Treatment PVA Indent LDPE PetruPoni_Institute molecular_self_assembly Bacteria SiliconOxide LMF temp_control PolyStylene Topography neodymium_magnets CntFilm ito_film IndiumTinOxide Sapphire SolarCell MagneticArray Morphology FrictionalForceMicroscopy ThermalConductivity contact cannabinoid hard_disk WS2 SoftSample PFM BFO