Ferrite SICM MembraneFilter Treatment heterojunctions BreastCancerCell LiftMode Conducting Force-distance FrictionalForceMicroscopy thermal_conductivity NUS Blend alkanes Etch Reading TempControl domain_switching PVAP3HT Temasek_Lab Magnets BaTiO3 PinpointPFM Crystal Global_Comm Permalloy Dental Typhimurium Boundary Gong TransitionMetal Sic high_resolution ChemicalCompound ScanningSpreadingResistanceMicroscopy