MagneticArray Polydimethylsiloxane Ucl PiezoelectricForceMicroscopy Yeditepe_University polymeric_arrays lift_mode Microchannel Polyvinylidene_fluoride Insulator Dopped Nanopattern neodymium_magnets NUS_Physics LDPE MeltingPoint contact Growing Fiber Ni-FeAlloy PetruPoni SRAM Magnetic Force Microscopy Hafnia AM_SKPM TransitionMetal StainlessSteel Monisha SSRM molecular_beam Chloroform LateralForce Pvdf graphene_hybrid Co/Cr/Pt