Fe2Si4Tb4
Fe2Si4Tb4 has a DFT band gap of Metallic / not reported across 4 reported structures in 2 space groups. Cross-validated across 4 computational databases.
At a glance
Key Properties
Cross-validated computational properties for Fe2Si4Tb4, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Metallic / not reported
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
0.020 eV/atom
Best (lowest) across sources
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
Near hull (likely stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
4
4 databases, 2 space groups
Reference
Frequently Asked Questions
Common questions about Fe2Si4Tb4, answered from cross-validated data.
What is the band gap of Fe2Si4Tb4?
Fe2Si4Tb4 is computed to be metallic (no band gap) in the reported DFT structures.
More questions
Is Fe2Si4Tb4 a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Fe2Si4Tb4 thermodynamically stable?
Fe2Si4Tb4 has a lowest energy above hull of 0.020 eV/atom (near hull (likely stable)).
How many polymorphs of Fe2Si4Tb4 are known?
4 structures of Fe2Si4Tb4 are reported across 4 databases, spanning 2 distinct space groups.
What elements does Fe2Si4Tb4 contain?
Fe2Si4Tb4 contains Fe, Si, and Tb (3 elements).
Where does the data for Fe2Si4Tb4 come from?
Fe2Si4Tb4 data is cross-referenced from latticegraph.
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Related Compounds
Other Rare-Earth Permanent Magnets in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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