fifber Platinum atomic_steps Beads Jason PDMS frequency_modulation PS_PVAC SurfaceOxidation Vac TungstenThinFilmDeposition Electrical&Electronics NUS_NNI_Nanocore MESA structure Microchannel Barium_titanate Heating FM_KPFM Wildtype PrCurve LiBattery MLCC Composition KelvinProbeForceMicroscopy NUS_Physics PatternedSapphireSubstrat self-assembly fluoroalkane layers Transparent HDD Annealed Reading LFM ito_film