Imagine a material made by mixing five different metal elements equally—magnesium, copper, nickel, cobalt, and zinc. Because of this mix, each oxygen atom in the material “sees” a different neighborhood of metal atoms around it. This complex mixture is called a high entropy oxide (HEO). Now, oxygen atoms can sometimes leave their spots and create […]
Unlocking Hidden Defects in Complex Oxides
September 24, 2025