BFO GaP EFM LiftHeight ForceVolumeImage Regensburg MBE PS_PVAC Mechinical Cross-section Nickel C36H74 thermal_property molecular_beam TiO2 AdhesionForce Molybdenum_disulfide OpticalElement C_AFM YttriaStabilizedZirconia Vac FAPbI3 Annealing OrganicCompound PatternedSapphireSubstrat India Polypropylene HiVacuum CuSubstrate PvdfBead Yttria_stabilized_Zirconia MechanicalProperties Tungsten atomic_steps Styrene