ScratchMode AEAPDES LDPE PinpointPFM Global_Comm LeakageCurrent Optical dielectric trench Polytetrafluoroethylene Praseodymium LiIonBattery Electrical&Electronics OpticalElement CHRYSALIS_INC PhaseImaging Al2O3 UnivCollegeLondon hetero_structure LiBattery SingleLayer StrontiuTitanate PrCurve aluminum_nitride Worcester_Polytechnic_Institute Non-ContactMode Calcium Sulfur ContactMode norganic AdhesionForce KPFM Optoelectonics HafniumDioxide HfO2 PolyimideFilm