DeflectionOptics KelvinProbeForceMicroscopy Chromium mfm_amplitude Gold BismuthFerrite NCM PECurve PVAP3HT GalliumPhosphide Ucl Mapping HexagonalBoronNitride AM_SKPM Mechanical&nanotechnology light_emitting vertical_PFM dielectric_trench HardDiskMedia IIT-chennai FFM NeodymiumMagnets Pzt Sperm multi_layer FailureAnlaysis Vacuum MESA structure PolyvinylAcetate Film Hole Metal ring shape Beads Carbon