Calcium LiquidImaging ScanningTunnelingMicroscopy LateralForce block_copolymer KAIST Sapphire Ito FloppyDisk Al2O3 ULCA Fluoride Ni81Fe19 PinPointMode PVAP3HT Alloy AlkaneFilm SKPM ForceVolumeImage Copolymer OpticalElement Pinpoint PFM NCM semifluorinated_alkanes StyreneBeads Pyroelectric Aluminum Phosphide Treatment HDD SmallScan light_emission molecular_self_assembly Patterns cooling