Korea Conductive AFM SingleLayer amplitude_modulation StyreneBeads Ceramic 2d_materials alkanes India Pinpoint Melt FFM LiNbO3 cross section DOE Patterns PpLdpe Dr.JurekSadowski Conductance PatternedSapphireSubstrat mechanical_property Terrace CeramicCapacitor Switching ForceMapping fifber C36H74 Boron Semiconductor cooling epitaxy TemperatureControllerAFM Cross-section Thermal Silver