INSP Plug SingleCrystal 2d_materials Boron blended polymers ring shape PvdfFilm Polytetrafluoroethylene Filter GaP tip_bias_mode ConductingPolymer Chemical Vapor Deposition thermoplastic_elastomers FrequencyModulation AM_KPFM StrontiumTitanate PolycrystallineFerroelectricBCZT StainlessSteel PyroelectricDetector MoS2 Sapphire hard_disk_media VinylAlcohol self-assembly piezoelectric force microscopy CuSubstrate PetruPoni NUS_Physics Microchannel SSRM StrontiuTitanate Display HexagonalBN