Flake PS_PVAC NUS DataStorage Corrosion Hexatriacontane Writing FailureAnalysis MESA structure LiquidCell HardDiskMedia Ceramic Alkane Foil PVA PECurve Heat self_assembly Pvdf SmallScan Wildtype Holes FloppyDisk Lattice GaN Gallium_Arsenide align PDMS CopperFoil kelvin probe force microscopy PolyvinylideneFluoride alkanes Leakage OxideLayer Anneal