Array KelvinProbeForceMicroscopy Annealing FrictionForce BFO organic_polymer C36H74 TemperatureControllerAFM FFM Dimethicone cross section SmalScan PS_PVAC Regensburg 2d_materials Optic LMF KAIST Hexacontane Reduction Piranha PetruPoni_Institute MBE SiWafer PVA Trench Beads StainlessSteel Phthalocyanine Hair Layer mechanical_property Pyroelectric ContactModeDot Logo