Hexacontane Laser NanoLithography CopperFoil Magnetic Molybdenum MagneticForceMicroscopy Monisha PVA Terrace MESA structure Microchannel frequency_modulation align Polyvinylidene Chrome Fujian DNAProtein Mosfet CalciumHydroxide kelvin probe force microscopy HfO2 Zhi FastScan Perovskite Blend Lanthanum_aluminate PhaseChange vertical_PFM Mapping BiFeO3 Wang Nickel Ram blended polymers