ForceDistanceSpectroscopy mono_layer MeltingPoint biocompatible Metal BFO Biology Wonseok Led Yeditepe_University thermal_property Morphology Optoelectonics KPFM Bmp Heat BiVO4 small_scan PiezoelectricForceMicroscopy Graphene Polyvinylidene CalciumHydroxyapatite WWafer Blood SiliconeOxide EFM SiliconCrystal SRAM graphene_hybrid MechanicalProperty C60H122 Iron CVD self_healing MBE