CuParticle hetero_structure Bacteria TipBiasMode AAO kelvin probe force microscopy FrictionForce BCZT Polyvinylidene Led phase_change PatternedSapphireSubstrat Fe_film LeakageCurrent MechanicalProperty LFM dichalcogenide PMNPT TiO2 Al2O3 MultiferroicMaterials Genetic Aggregated_molecules C_AFM epitaxy FailureAnlaysis Magnets MultiLayerCeramicCapacitor graphene_hybrid DNAProtein Array Polarization Aluminium_Oxide Fluoride Magnetic