semifluorinated alkane Hysteresys BiasMode Annealing CeramicCapacitor UnivOfMaryland Phthalocyanine Piezoresponse Dopped CNT Water Spincast SmalScan PVA mechanical property atomic_layer FastScan Trench EFM molecule Cobalt temperature controller AFM Epoxy KevlarFiber thermoplastic_elastomers Alloy LowDensityPolyethylene MeltingPoint SoftSample Ptfe SKKU HOPG OpticalElement AdhesionEnergy 2dMaterials