Co2Nd8S14
Co2Nd8S14 has a DFT band gap of 0.09 eV across 4 reported structures in 1 space group; its lowest-energy polymorph is hexagonal (P63 (No. 173)). Cross-validated across 2 computational databases.
At a glance
Key Properties
Cross-validated computational properties for Co2Nd8S14, aggregated across 2 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.
0.09 eV
Range across DFT structures
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.
0.194 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.
Above hull
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
4
2 databases, 1 space group
Crystallography
Reported Structures
Lowest-energy structures reported for Co2Nd8S14, 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. |
|---|---|---|---|---|---|
| P63 (No. 173) | hexagonal | 0.09 | 0.1942 | -17.458 | 5.04 |
| — | — | — | — | — | 4.89 |
| — | — | — | — | — | 4.88 |
| — | — | — | — | — | 4.88 |
Reference
Frequently Asked Questions
Common questions about Co2Nd8S14, answered from cross-validated data.
What is the band gap of Co2Nd8S14?
Co2Nd8S14 has a DFT-computed band gap of 0.09 eV across 4 reported structures.
More questions
Is Co2Nd8S14 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Co2Nd8S14 thermodynamically stable?
Co2Nd8S14 has a lowest energy above hull of 0.194 eV/atom (above hull).
What is the crystal structure of Co2Nd8S14?
The lowest-energy reported polymorph of Co2Nd8S14 is hexagonal symmetry, space group P63 (No. 173).
What is the density of Co2Nd8S14?
The computed density of the ground-state structure of Co2Nd8S14 is 5.04 g/cm³.
How many polymorphs of Co2Nd8S14 are known?
4 structures of Co2Nd8S14 are reported across 2 databases, spanning 1 distinct space group.
What elements does Co2Nd8S14 contain?
Co2Nd8S14 contains Co, Nd, and S (3 elements).
Where does the data for Co2Nd8S14 come from?
Co2Nd8S14 data is cross-referenced from materials_project, omat24.
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Related Compounds
Other Rare-Earth Permanent Magnets in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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