TiO2 Christmas Graphene Sulfur MBE cannabis temp Logo LowDensityPolyethylene sputter Holes Scratch ElectroChemical HardDiskMedia OxideLayer LogAmplifier thermal_conductivity Bio SPMLabs Lateral_Force_Microscopy Conductance Hair Domain KAIST Boron Ceramic Polarization ElectrostaticForceMicroscopy Lanthanum_aluminate Co/Cr/Pt Mechanical&nanotechnology optoelectronics ring shape Mechanical CeramicCapacitor