China SelfAssembly AlkaneFilm thermal_property Styrene WWafer CalciumHydroxide BCZT Polymer Croatia HiVacuum Thermoplastic_polyurethane University_of_Regensburg SAM ForceVolumeMapping Solar cross section Step BiasMode Terrace HexagonalBN MagneticArray neodymium_magnets tip_bias_mode Patterns thermal_conductivity Friction F14H20 LateralPFM StainlessSteel fluorocarbon SICM Fe_film Tin disulfide Fendb