KAIST ThinFilm Ferroelectric fluoroalkane SolarCell LateralPFM Gong Nanotechnology Pores ring shape Molybdenum_disulfide SThM HOPG ScanningTunnelingMicroscopy PiezoelectricForceMicroscopy BTO Epoxy CrossSection EPFL MeltingPoint Titanate mono_layer ElectroDeposition Holes EvatecAG FailureAnalysis molecules Croatia Grain PhthalocyaninePraseodymium Dimethicone MonoLayer SurfaceChange CVD CntFilm