DOE Thermoplastic_polyurethane Cobalt Plug C60H122 kelvin probe force microscopy Scanning_Thermal_Microscopy StrontiuTitanate cooling DiffractiveOpticalElements Oxide PhaseTransition oxide_layer CopperFoil Polyvinylidene suspended_graphene neodymium_magnets BlockCopolymer AtomicLayer SiWafer Formamidinium_lead_iodide graphene_hybrid high_resolution Phenanthrene ThinFilm Nanopattern Chromium hetero_structure Insulator MeltingPoint atomic_steps H-BN University_of_Regensburg multi_layer Ptfe