HexagonalBN Neodymium self-assembly Barium_titanate Vac Nanostructure CVD cooling PinpointPFM biocompatible HexagonalBoronNitride Lateral_Force_Microscopy SKKU neodymium_magnets CalciumHydroxyapatite Materials Typhimurium fluoroalkane Lanthanum_aluminate Polymer Dimethicone UnivOfMaryland Device ForceVolume Heat PANI Styrene Mechinical C36H74 thermal_conductivity IIT-chennai ForceDistanceSpectroscopy AtomicSteps hard_disk_media Subhajjit