Al2O3 MESA structure organic_polymer UnivOfMaryland MoS2 Filter block_copolymer Organic CP-AFM NeodymiumMagnets Nanofiber self-assembly DNAProtein CarbonNanotube 2-vinylpyridine FastScan Roughness Zhi TiO2 TCS IIT-chennai ForceMapping piezoelectric force microscopy Sidewall CVD Mechinical ScanningTunnelingMicroscopy Force-distance Polystyrene Piezoelectric Adhesion Reduction Mfm light_emitting fluorocarbon