silicon_carbide VerticalPFM Ptfe PolyStylene pinpoint mode Film medical temperature controller AFM CaMnO3 Piezoelectric suspended_graphene Mosfet NeodymiumMagnets Scanning_Thermal_Microscopy Vanadate Formamidinium_lead_iodide Crystal Potential Solution cooling BTO light_emission FFM Tungsten Hysteresys BoronNitride fe_nd_b Polyimide SingleLayer PtfeFilter TungstenThinFilmDeposition Piezoresponse LFM SFAs Composite