Step Conducting self_healing SoftSample Al2O3 CalciumHydroxyapatite SiWafer Moire Varistor kelvin probe force microscopy PolyvinylideneFluoride VortexCore Multiferroic_materials Mobile SKPM phase_change dielectric_trench 2-vinylpyridine cannabinoid SSRM IndiumTinOxide PolycrystallineFerroelectricBCZT FastScan Collagen LiftMode PFM PinpointNanomechanicalMode OpticalWaveguide ContactModeDot SKKU SAM Gallium Au111 Praseodymium Heat