See: 2г—4 -

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

" by , published in January 2026 . Core Concepts of the Paper See: 2Г—4

superconformal field theories (SCFTs) placed on a specific geometry ( : Side 1 : Reducing the 4D theory on a Riemann surface Σcap sigma leads to a family of 2D unitary SCFTs. Side 2 : Reducing the same 4D theory on a sphere S2cap S squared or similar, there are several recent papers on

: A study on ResearchGate identifies this as a 2D spin-gapless ferromagnetic semiconductor with potential for spintronics. MnSc See: 2Г—4