Step Graphene strontiu_titanate VortexCore MBE HDD Inorganic Crystal semifluorinated alkane Foil Ucl membrane Tungsten_disulfide Neodymium Permalloy Au111 IISCBangalore Trench Yttria_stabilized_Zirconia ScanningTunnelingMicroscopy self-assembled_monolayer Molybdenum_disulfide PetruPoni_Institute SRAM KPFM temp PrCurve CalciumHydroxyapatite Ram GranadaUniv Polyvinylidene Temasek_Lab Granada Lanthanum_aluminate Sulfur