Semiconductor MBE Gong MESA structure Polytetrafluoroethylene MultiferroicMaterials SAM fifber Leakage ItoGlass NUS_NNI_Nanocore SingleCrystal UnivCollegeLondon epitaxy vertical_PFM AtomicSteps Electical&Electronics Phase organic_polymer Molybdenum_disulfide StyreneBeads SrTiO3 ThermalConductivity LateralForceMicroscopy Plug PtfeMembrane cannabidiol NCM\ Wang nanobar Terrace GlassTemperature ScanningKelvinProbeMicroscopy HACrystal Defect