Hexylthiophene Molybdenum BFO Insulator AEAPDES OxideLayer Sphere LiftHeight piezoelectric force microscopy Jason Mechanical&nanotechnology MESA structure Vinylpyridine Friction light_emitting Alkane Hafnia STO DIWafer Terrace Optoelectronic Polyvinylidene_fluoride FailureAnlaysis Polytetrafluoroethylene PtfeMembrane Floppy Monisha Led Roughness thermal_property MoirePattern MolecularSelfAssembly PolymerPatterns DNAProtein molecules