Solar HanyangUniv SoftSample Ito BiFeO3 DIWafer heterojunctions 2-vinylpyridine Friction Cell HighAcpectRatio LateralForceMicroscopy piezoelectric force microscopy polymeric_arrays PhaseTransition HighResolution Annealing cannabis Corrosion Ram SrO plastics LiquidImaging SrTiO3 TiO2 Holes Filter Lift Chemical_Vapor_Deposition BCZT Deposition molecular_self_assembly #EC Zhi Polarization