Table 2. Cohesive Energies (Ecoh) for the Orthorhombic and Hexagonal Structures of Cr2B2, Fe2B2, and Zr2B2.
|
Ecoh |
||
|---|---|---|
| MBene | U = 0 | U ≠ 0 |
| ortho-Cr2B2 | 6.222 | 4.539 |
| hex-Cr2B2 | 6.201 | 4.558 |
| ortho-Fe2B2 | 6.901 | 6.235 |
| hex-Fe2B2 | 6.830 | 6.264 |
| ortho-Zr2B2 | 8.050 | 7.579 |
| hex-Zr2B2 | 8.087 | 7.615 |