Praseodymium ito_film IVSpectroscopy PiezoelectricForceMicroscopy ForceVolumeMapping University_of_Regensburg PolymerBlend EFMAmplitude C60H122 MfmAmplitude SKPM HDD Techcomp Ceramics vertical_PFM Molybdenum_disulfide PolymerPatterns KAIST Vortex Polydimethylsiloxane plastics IISCBangalore MoirePattern Non-ContactMode OpticalWaveguides TCS Modulus hetero_structure Boron PvdfFilm Transparent PECurve AdhesionEnergy Annealed semifluorinated_alkanes