Polyvinylidene_fluoride 2dMaterials dielectric_trench MESA structure Pores kelvin probe force microscopy PyroelectricDetector piezoelectric force microscopy GaAs Temperature LiquidCell Leakage ThinFilm Christmas Bacterium BreastCancerCell BismuthFerrite LiftHeight Pvdf MBE GalliumPhosphide semifluorinated_alkanes Celebration AtomicLayer Steps Resistance fe_nd_b MembraneFilter CntFilm InsulatorFilm CeNSE_IISc Phenanthrene CaMnO3 SiWafer Litho