LogAmplifier ThermalConductivity vertical_PFM #Materials Graphite 3-hexylthiophene PetruPoni_Institute VerticalPFM Friction BCZT Barium_titanate Optoelectonics AlkaneFilm Vortex Mechinical Growing GaAs Fet GranadaUniv Glass HDD Celebration kelvin probe force microscopy Cross-section Led HiVacuum phase_change LDPE Pinpoint PFM medical Protein Co/Cr/Pt #EC ConductingPolymer Inorganic_Compound