Polystyrene Friction Pore MagneticPhase Mfm Phase AtomicSteps 2d_materials PrCurve Ferrite Gold PUR suspended_graphene Growth Pores semifluorinated_alkane BismuthFerrite Step PtfeFilter Filter BFO Reduction vertical_PFM EvatecAG EPFL DNA PANI Genetic PS_PVAC MBE Fe_film organic_polymer Moire temp CancerCell