BismuthVanadate Ucl YszSubstrate Platinum Au111 TPU FrictionalForceMicroscopy graphene_hybrid SAM TappingMode pinpoint mode PMNPT FailureAnlaysis LiftHeight norganic Celebration MLCC Ceramics PDMS semifluorinated_alkanes CopperFoil CuFoil nanobar Al2O3 DeoxyribonucleicAcid Carbon 2dMaterials Korea Pinpoint PFM Non-ContactMode GaP ForceMapping small_scan MolybdenumDisulfide SFAs