Ni81Fe19 Growth Graphene Conductive AFM Writing Temperature Wildtype Fendb Yeditepe PinpointPFM Inorganic_Compound Molybdenum_disulfide Pzt Nanofiber Steps InLiquid BTO Ceramics Co/Cr/Pt PinpointNanomechanicalMode Crystal MembraneFilter cross section PrCurve mechanical property LiftMode Ferrite Alloy AM_KPFM NUS_Physics ContactMode BiasMode IIT-chennai non_contact Glass