Force-distance TPU cooling Optic PhaseTransition Epoxy Bismuth solar_cell YttriaStabilizedZirconia FrictionForce MBE Aluminium_Oxide AdhesionEnergy AM-KPFM CrossSection SolarCell Hair alkanes Graphene Lateral_Force_Microscopy UnivOfMaryland Pipette PolyimideFilm Polymer BTO SRAM SicMosfet AmplitudeModulation Polytetrafluoroethylene PatternedSapphireSubstrat Annealed Pvdf Mechanical&nanotechnology MLCC Polyethylene