LithiumNiobate PhthalocyaninePraseodymium LiquidCell Tape Calcite KAIST Leakage HACrystal Ptfe StainlessSteel frequency_modulation Chungnam_National_University MfmPhase PVA Tungsten_disulfide Sphere Neodymium Electrode PDMS Bio Bacteria DNAProtein ContactMode Non-ContactMode MoirePattern Treatment PiezoelectricForceMicroscopy PinPointMode Polypropylene Implant Workfunction Al2O3 LowDensityPolyethylene Grain Chemical_Vapor_Deposition