LDPE Dr.JurekSadowski YszSubstrate Edwin Nickel FrequencyModulation light_emitting SurfaceOxidation GalliumPhosphide Silicon Hexacontane PpLdpe ImideMonomer oxide_layer mono_layer EFM UnivMaryland Korea lithography FrictionForce molecular_self_assembly Optical Topography Reduction atomic_layer PinpointPFM mechanical_property NCM\ Calcium Bmp TemperatureControllerStage Layer BreastCancerCell Spincast MolecularSelfAssembly