Table 4. MGS, Energy Difference, ΔE_FM-AFM, between the FM and AFM Configurations, and Critical Temperature, T_c, of Cr₂B₂, Fe₂B₂, and Zr₂B₂.

	MGS		ΔEFM-AFM (meV)		Tc (K)
MBene	U = 0	U ≠ 0	U = 0	U ≠ 0	U = 0	U ≠ 0
ortho-Cr2B2	FM	FM	–104.38	–140.93	413	545
hex-Cr2B2	FM	AFM	–0.29	+46.61	1	180
ortho-Fe2B2	FM	AFM	–108.12	+540.66	418	2091
hex-Fe2B2	AFM	AFM	+46.84	+581.53	181	2249
ortho-Zr2B2	NM	NM
hex-Zr2B2	NM	NM