AdhesionEnergy MfmPhase Corrosion LiftHeight CNT Typhimurium Solution light_emission 2d_materials TempControl temp_control BCZT aluminum_nitride PtfeMembrane IIT-chennai Film IRDetector Scratch Edwin hard_disk Temasek_Lab Current FrictionalForce Ni-FeAlloy ferromagnetic F14H20 Bacterium TappingMode Ni81Fe19 LFM PDMS GaAs MagneticForce ScanningSpreadingResistanceMicroscopy biocompatible