Dy6Fe2Ga2S14
Dy6Fe2Ga2S14 is a metastable, semiconducting quaternary sulfide compound containing dysprosium, iron, gallium, and sulfur.
About Dy6Fe2Ga2S14
Dy6Fe2Ga2S14 is a complex quaternary sulfide that functions as a semiconducting material within the rare-earth permanent magnet class. Its unique atomic arrangement highlights the intricate interplay between rare-earth elements and transition metals in sulfide-based lattices.
As a metastable phase, this compound represents a specialized niche in materials research. It is primarily studied for its electronic behavior and potential structural contributions to the broader family of rare-earth-based magnetic and semiconducting architectures.
Key Properties
Cross-validated computational properties for Dy6Fe2Ga2S14, aggregated across 3 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 Dy6Fe2Ga2S14, 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 | 0.44 | 0.0621 | -6.281 | 5.78 |
| P1 (No. 1) | — | — | — | — | — |
| — | — | — | — | — | 5.77 |
Applications
Where Dy6Fe2Ga2S14 is used.
Frequently Asked Questions
Common questions about Dy6Fe2Ga2S14, answered from cross-validated data.
What is Dy6Fe2Ga2S14?
Dy6Fe2Ga2S14 is a metastable, semiconducting quaternary sulfide compound containing dysprosium, iron, gallium, and sulfur.
What is Dy6Fe2Ga2S14 used for?
What is the band gap of Dy6Fe2Ga2S14?
Is Dy6Fe2Ga2S14 a metal, semiconductor, or insulator?
Is Dy6Fe2Ga2S14 thermodynamically stable?
What is the crystal structure of Dy6Fe2Ga2S14?
What is the density of Dy6Fe2Ga2S14?
How many polymorphs of Dy6Fe2Ga2S14 are known?
What elements does Dy6Fe2Ga2S14 contain?
Where does the data for Dy6Fe2Ga2S14 come from?
How It Compares
Within the rare-earth permanent magnets class.
Within the diverse landscape of rare-earth compounds, Dy6Fe2Ga2S14 shares structural similarities with related sulfides like Al2Dy6Fe2S14 and Co2Nd8S14. While many members of this class are investigated for their magnetic properties, this specific dysprosium-based sulfide is distinguished by its semiconducting electronic character, setting it apart from more metallic counterparts like CeCoGe2.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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