Leakage MultiferroicMaterials Mapping 2dMaterials Roughness single_layer Piezoelectric YszSubstrate Zagreb Nickel CopperFoil Neodymium Inorganic HafniumDioxide Transparent Fe_film LMF DIWafer Friction CP-AFM mono_layer SelfAssembly temp Conductance Sapphire IISCBangalore Glass Chromium Chemical Vapor Deposition EFMAmplitude PhthalocyaninePraseodymium fifber CuFoil Change multi_layer