Materials Lateral_Force_Microscopy PMNPT 3-hexylthiophene Regensburg DOE CuFoil Biology PinpointNanomechanicalMode HexagonalBN SurfaceOxidation 2-vinylpyridine Gallium piezoelectric force microscopy PrCurve MeltingPoint Korea SmalScan 2dMaterials TriGlycineSulphate C60H122 Nanotechnology Resistance Sio2 mfm_amplitude STM ForceVolumeImage AdhesionForce Corrosion food WPlug Conduct Barium_titanate SThM Non-ContactMode