Piranha ScanningTunnelingMicroscopy Ferroelectric TransitionMetal light_emission HexagonalBoronNitride Non-ContactMode KevlarFiber Fiber Annealed lithography PtfeFilter Butterfly NUS_NNI_Nanocore KPFM Polyvinylidene Materials INSPParis Polyimide PolycrystallineFerroelectricBCZT Au111 BismuthFerrite fluoroalkane ring shape EFM self_healing ElectroDeposition AM_KPFM Calcite GlassTemperature Phosphide Phthalocyanine University_of_Regensburg Lanthanum_aluminate DeoxyribonucleicAcid