molecule PhaseTransition Monisha ForceVolume HexacontaneFilm ring shape polymeric_arrays SelfAssembly Worcester_Polytechnic_Institute Adhesion Yeditepe Nanotechnology Graphene TemperatureControllerAFM Mfm Polydimethylsiloxane atomic_layer Inorganic ULCA self_assembly Tungsten Ito YszSubstrate PiezoelectricForceMicroscopy PVA Chemical_Vapor_Deposition StrontiuTitanate Steps Boron Solar Etch Treatment ScratchMode AdhesionEnergy piezoelectric force microscopy