2г—4 - See:

: A study on ResearchGate identifies this as a 2D spin-gapless ferromagnetic semiconductor with potential for spintronics. MnSc

The paper explores a novel correspondence between four-dimensional and two-dimensional physics. Its title is a playful reference to the , which relates 6D theories to 4D theories. Key technical highlights include: Dimensional Reduction : It considers four-dimensional See: 2Г—4

If your query was searching for materials with the chemical formula X2YSe4cap X sub 2 cap Y cap S e sub 4 : A study on ResearchGate identifies this as

or similar, there are several recent papers on 2D semiconductors and spinels: CrGa See: 2Г—4