NewsPhysics

Researchers have discovered that elemental neodymium (Nd) exhibits a self-induced spin glass state at low temperatures. This finding is significant because spin glasses typically form in alloys or compounds with intrinsic magnetic disorder. The observation in a pure element suggests a fundamentally different mechanism for the emergence of this complex magnetic state, where frustrated interactions between spins lead to a disordered yet frozen configuration.

Neodymium is a rare-earth metal known for its magnetic properties, but its behavior at cryogenic temperatures has presented challenges to a complete understanding. This study addresses a gap in the knowledge of magnetic systems by demonstrating that magnetic frustration and disorder can arise from an element's own electronic structure, without the need for impurities or alloys. The neodymium system behaves like a spin glass, a state of matter where individual magnetic moments (spins) are oriented randomly but fixed, as if frozen in time, despite not following a conventional magnetic ordering pattern.

“Researchers have discovered that elemental neodymium (Nd) exhibits a self-induced spin glass state at low temperatures.”