BiFeO3 mono_layer FastScan ElectroChemical IVSpectroscopy LightEmiting Sulfur CHRYSALIS_INC PS_PVAC Gallium_Arsenide Al2O3 Techcomp Nanopattern Annealing UTEM HardDisk hetero_structure Solution Tape Polyimide domain_switching Galfenol Polystyrene Moire MagneticArray Regensburg FuelCell HafniumDioxide Spincast OxideLayer SPMLabs Electrode multi_layer Carbon LightEmission