phase_change Defect Jason ElectrostaticForceMicroscopy ThinFilm SKKU EFM heterojunctions Ananth AIN INSP WWafer Au111 Nickel Flake cannabidiol Scratch Molybdenum CNT HafniumDioxide 2d_materials Stiffness CompactDisk CancerCell HexacontaneFilm Graphite MagneticPhase NCM\ Water self_assembly pinpoint mode TransitionMetal thermoplastic_elastomers Polytetrafluoroethylene mechanical property