Spinel, MgAl 2 O 4 (download cif), is a rare gemstone that was used to imitate rubies. The structure has face-centered cubic symmetry, and is a little heavy to understand. The general formula is AB 2 ...

we want to reliably be able to control which pathway the spinel oxide tends towards, so we can reach the desired outcome every time." The research team used NiCo 2 O 4 as a model with Ce.

The gemstone spinel, known for its vibrant colors resembling gems like rubies and sapphires, has now been shown to be capable of storing quantum information, making it a viable material in the field ...