Optical PS_PVAC AEAPDES semifluorinated alkane Domain Potential Hafnia OrganicSemiconductor Cobalt Sio2 exfoliate Collagen gallium_nitride Vanadate Pyroelectric Magnetic ULCA light_emitting epitaxy MfmAmplitude OpticalElement Vacuum temp vertical_PFM Mechanical Display DentalProsthesis EPFL PolyStylene FFM PECurve Conductive AFM Nanotechnology KelvinProbeForceMicroscopy Composition