mono_layer Ananth NTU ForceDistanceSpectroscopy Polymer Growth ferromagnetic H-BN Pvdf strontiu_titanate Magnetic Force Microscopy semifluorinated_alkane I-VSpectroscopy Heating PpLdpe Scanning_Thermal_Microscopy Water Annealed Phthalocyanine TPU Lateral_Force_Microscopy GaP SFAs PvdfFilm 2d_materials OpticalElement Blend Epoxy DOE TungstenThinFilmDeposition temperature controller AFM CntFilm MonoLayer EPFL Granada