Nd4 Mg2 Cu4

Nd₄Mg₂Cu₄ is an intermetallic compound combining neodymium, magnesium, and copper—a rare-earth-containing metal system that lies at the intersection of permanent magnet materials and lightweight structural alloys. This composition is primarily of research interest rather than established production use, investigated for potential applications leveraging rare-earth magnetic properties combined with magnesium's low density, though industrial adoption remains limited. Engineers evaluating this material should expect it to be experimental; development focus typically addresses phase stability, processability, and whether the rare-earth content justifies costs compared to conventional Nd-Fe-B magnets or Mg-based structural alloys.