Giza, M.: In-situ Spectroscopic and Kelvin Probe Studies of the Modification of Solid Surfaces in Low Temperature Plasmas. Dissertation, Universität Paderborn, Fakultät für Naturwissenschaften, Paderborn, Germany (2008)
Scientists at the Max Planck Institute for Sustainable Materials have developed a carbon-free, energy-saving method to extract nickel for batteries, magnets and stainless steel.