FrictionalForce Phase ScratchMode SingleLayer TransitionMetal ULCA TyphimuriumBiofilm NtuEee Magnetic Scratch Tungsten Hexatriacontane AdhesionEnergy CaMnO3 MeltingPoint Calcium Trench Ecoli HOPG Kevlar Conductivity Cross-section Electical&Electronics Piezoelectric LateralForceMicroscopy ChemicalCompound FailureAnlaysis DOE Mechinical ContactModeDots MESA structure mechanical_property CntFilm Edwin Polytetrafluoroethylene