Roughness PetruPoni ChemicalCompound ImideMonomer Friction TungstenThinFilmDeposition Device TemperatureControllerStage FrequencyModulation Polytetrafluoroethylene hard_disk silicon_oxide Polyimide C36H74 HafniumDioxide CP-AFM LaAlO3 multi_layer BiVO4 ContactModeDot PinpointPFM plastic ConductiveAFM Polystyrene organic_polymer SoftSample Defect hard_disk_media Fet SKKU Fiber Tungsten_disulfide Graphite DentalProsthesis Praseodymium