Fe13Ge3
Fe13Ge3 is a metastable metallic compound composed of iron and germanium.
About Fe13Ge3
Fe13Ge3 is a metallic iron-germanium compound characterized by its metastable nature. It represents a complex phase within the iron-germanium binary system, reflecting the intricate bonding interactions between transition metal and metalloid components.
Due to its metastable state, this material is of significant interest for fundamental studies in phase stability and structural evolution. It is primarily utilized in experimental research to understand the diverse stoichiometric arrangements possible in metal-rich binary alloys.
Key Properties
Cross-validated computational properties for Fe13Ge3, aggregated across 5 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.
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.
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.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Fe13Ge3, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Pm-3m (No. 221) | cubic | 0.00 | 0.0389 | -7.827 | 8.18 |
| Pm-3m (No. 221) | — | — | — | — | — |
| Pm-3m (No. 221) | — | — | — | — | — |
| Pm-3m (No. 221) | — | — | — | — | — |
| Pm-3m (No. 221) | Cubic | — | — | — | 8.17 |
| — | — | — | — | — | 8.85 |
| Pm-3m (No. 221) | Cubic | — | — | — | 8.33 |
| Pm-3m (No. 221) | Cubic | — | — | — | 8.04 |
Applications
Where Fe13Ge3 is used.
Frequently Asked Questions
Common questions about Fe13Ge3, answered from cross-validated data.
What is Fe13Ge3?
Fe13Ge3 is a metastable metallic compound composed of iron and germanium.
What is Fe13Ge3 used for?
What is the band gap of Fe13Ge3?
Is Fe13Ge3 a metal, semiconductor, or insulator?
Is Fe13Ge3 thermodynamically stable?
What is the crystal structure of Fe13Ge3?
What is the density of Fe13Ge3?
How many polymorphs of Fe13Ge3 are known?
What elements does Fe13Ge3 contain?
Where does the data for Fe13Ge3 come from?
How It Compares
As a unique iron-rich phase, Fe13Ge3 occupies a specialized niche in materials science where its metastability makes it a subject of interest for researchers investigating the limits of phase formation in binary metallic systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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