04
Nov
2025
Why Rare Earth Magnets Are So Hard to Replace
Addressing challenges associated with rare earth elements is crucial for the sustainable advancement of magnetic technologies. While rare earths possess unmatched chemical, electronic, optical and magnetic properties, their limited, concentrated and environmentally problematic supply prompts the exploration of alternative materials, innovative processing techniques, and other strategies. Dr. Oliver Gutfleisch, Professor for Functional Materials at the Technische Universität Darmstadt, discussed the state of research with us.







