FuelCell Wildtype alkanes self_healing Modulus SiWafer Worcester_Polytechnic_Institute LateralForceMicroscopy STO ScratchMode Hysteresys Holes Yeditepe_University WWafer BTO NUS_NNI_Nanocore NTU FastScan PMNPT mfm_amplitude PolyvinylideneFluoride Device silicon_oxide Chemical_Vapor_Deposition PetruPoni_Institute Self-assembledMonolayer solar_cell Vacuum ThermalDetectors MeltingPoint Pinpoint PFM LiftMode SSRM CuSubstrate YszSubstrate