LiquidCrystal STM LiquidCell SetpointMode Composite HexacontaneFilm PhaseTransition Insulator PVAP3HT Vacuum sputter MolybdenumDisulfide Iron SingleLayer MagneticArray CrossSection CuFoil HardDiskMedia Plug atomic_steps lift_mode DomainSwitching Ceramic AlkaneFilm C36H74 PolyStylene self-assembled_monolayer VortexCore ferromagnetic FM_SKPM Subhajjit WWafer BismuthVanadate Silver FastScan