Dr. Árnadóttir´s research expertise and interests include: surface interactions and catalysis through experimental techniques and Density Functional Theory-based calculations for renewable energy and sustainability; surface characterization of complex materials (thin films, biomaterials, corrosion surfaces) via surface analysis techniques (Time of Flight Secondary Ion Mass Spectrometry, X-ray Photoelectron Spectroscopy), and electrochemistry for clean Hydrogen production and fuel cell applications