ContactModeDot TemperatureControllerAFM SrO electrospinning StrontiumTitanate AIN Mfm oxide_layer OxideLayer Adhesion piezoelectric force microscopy dielectric trench dielectric_trench AEAPDES fluorocarbon Aluminium_Oxide molecular_beam FrictionForce Bacteria ForceMapping self_healing IMT_Bucharest BreastCancerCell MBE Sphere NiFe TappingMode Graphite BiFeO3 CopperFoil TiO2 Piezo OrganicCompound align India