ULCA Force-distance MeltingPoint ConductingPolymer Regensburg Vinylpyridine kelvin probe force microscopy FastScan nanomechanical CntFilm IIT-chennai Sidewall Inorganic_Compound Polyurethane Implant BFO NCM\ hetero_structure AIN strontiu_titanate TungstenThinFilmDeposition HumanHair Dopped TappingMode Pinpoint PFM Graphite self_assembly AAO ShenYang self-assembly Sperm HDD RedBloodCell Wonseok pulsed_laser_deposition