PMNPT Aluminium_Oxide EPFL Calcium ScanningTunnelingMicroscopy Ptfe mechanical_property TempControl nanobar FloppyDisk Moire Transparent dichalcogenide optoelectronics Boundary DNA Optoelectonics Vortex Beads Regensburg Growing Dimethicone Sapphire molecular_beam China Filter Microchannel self_assembly ferromagnetic Aggregated_molecules STO Leakage lift_mode PolyimideFilm flakes