Stiffness solar_cell PVA FloppyDisk PtfeMembrane CalciumHydroxyapatite light_emitting InsulatorFilm CeramicCapacitor DNA UnivMaryland FAFailureAnlaysis cooling ScanningSpreadingResistanceMicroscopy Sphere Polyimide Bacteria MolecularSelfAssembly CuFoil MagneticArray aluminum_nitride HfO2 CopperFoil LowDensityPolyethylene Gong light_emission TungstenDeposition suspended_graphene Mfm chemical_compound Force-distance GlassTemperature Layer I-VSpectroscopy PVAP3HT