Volkert, C. A.; Busch, S.; Heiland, B.; Dehm, G.: Transmission electron microscopy of fluorapatite-gelatine composite particles prepared using focused ion beam milling. Journal of Microscopy 214 (3), pp. 208 - 212 (2004)
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.