Trench Gallium_Arsenide MagneticPhase TempControl polyvinyl acetate Zagreb LateralForceMicroscopy Multiferroic_materials LithiumNiobate DeoxyribonucleicAcid PolyStylene Gold Etch Cobalt-dopedIronOxide cross section C36H74 SiWafer Force-distance Patterns layers Bismuth piezoelectric force microscopy Phase Polytetrafluoroethylene Mechanical polymeric_arrays gallium_nitride HexagonalBoronNitride silicon_oxide CuFoil PhthalocyaninePraseodymium P3HT fe_nd_b PhaseImaging GalliumPhosphide