AmplitudeModulation conductive Lateral_Force_Microscopy Pvdf lift_mode IndiumTinOxide Ni81Fe19 CeNSE_IISc Reduction organic_polymer PVAP3HT Change fluoroaalkane Alloy NUS_NNI_Nanocore PvdfFilm Hydroxyapatite China TriGlycineSulphate Sulfur PinpointNanomechanicalMode PVA silicon_carbide temperature_control Vinylpyridine Spincast Device semifluorinated alkane Zhi NCM Temperature HDD Gold MolecularSelfAssembly Wildtype