PpLdpe LowDensityPolyethylene GaP Pore HydroGel Floppy high_resolution Ferroelectric Reduction Ca10(PO4)6(OH)2 EPFL Change HOPG University_of_Regensburg PolyvinylideneFluoride Tungsten self-assembly Mechanical Metal semifluorinated_alkane Kevlar Electronics Molybdenum_disulfide aluminum_nitride Multiferroic_materials TriGlycineSulphate Mapping mechanical_property phase_change fluoroalkane Graphene temperature_control Modulus cannabidiol FM_KPFM