Treatment Galfenol Moire Scratch self-assembly Fujian kelvin probe force microscopy blended polymers NCM TCS Polyvinylidene_fluoride LateralForceMicroscopy University_of_Regensburg STO doped CastIron AlkaneFilm FailureAnalysis KPFM Trench Bmp exfoliate graphene_hybrid membrane Etch Plug temp 2-vinylpyridine lift_mode atomic_layer PS_PVAC Reduction oxide_layer CP-AFM HexagonalBoronNitride