Austenite piezoelectric force microscopy SThM WPlug AM_KPFM Biology fe_nd_b TappingMode Ceramics Fe_film Pattern PolyimideFilm Polytetrafluoroethylene Change Sio2 Mobile LaAlO3 Temasek_Lab HexacontaneFilm Praseodymium Polyimide dielectric trench Mechanical MolybdenumDisulfide LithiumNiobate #EC ImideMonomer 3-hexylthiophene GaAs Magnets PetruPoni flakes Piezo Bio AEAPDES