FAPbI3 BoronNitride EvatecAG Chromium Reading Galfenol frequency_modulation plastics Organic Layer LiftMode Polyvinylidene_fluoride Wildtype PolyStylene 2dMaterials Conductive AFM Zhi piezoelectric force microscopy HardDiskMedia HighResolution CuSubstrate FM_SKPM Subhajjit PolyimideFilm OpticalModulator Mapping self-assembly LiquidCell CrAu HOPG CuParticle GaAs Pyroelectric PhaseImaging semifluorinated_alkane