| a_A | c_A | ordering | composition | relaxed_a_A | relaxed_c_A | stability_flag |
|---|---|---|---|---|---|---|
| 5.0 | 8.1 | all-Mn A-site (2a) | Mn2Si | null | null | null |
| 5.0 | 8.1 | all-Fe A-site (2a) | Fe2Si | null | null | null |
| 5.0 | 8.1 | layered: Mn at 2a(0,0,0), Fe at 2a(0,0,1/2) | MnFeSi | null | null | null |
| 5.0 | 8.1 | inverted: Fe at 2a(0,0,0), Mn at 2a(0,0,1/2) | MnFeSi | null | null | null |
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Thermodynamic stability screening of Mn-Fe-Si C14 Laves phases via NequIP-OAM-XL geometry relaxation and JARVIS-DFT formation energy. Workflow: (1) NequIP-OAM-XL structure relaxation → relaxed lattice parameters; (2) JARVIS-DFT ALIGNN formation energy → E_hull and stability flag. Composition series: Mn2Si, Fe2Si, MnFeSi (layered + inverted ordering).