BTO Wildtype multi_layer MetalCompound LateralForce Gold self-assembly DeoxyribonucleicAcid Ito sputter Liquid TiO2 polyvinyl acetate SThM ContactModeDots PatternedSapphireSubstrat LiIonBattery alkanes NUS ShenYang InsulatorFilm molecule SKKU PhaseChange Polyimide SRAM PhaseTransition PpLdpe Temperature NUSNNI KPFM FailureAnalysis Ferroelectric HexagonalBN semifluorinated alkane