Ru4Sb4Se4
Ru4Sb4Se4 is a thermodynamically stable semiconducting ternary alloy containing ruthenium, antimony, and selenium.
About Ru4Sb4Se4
Ru4Sb4Se4 is a complex ternary alloy belonging to the platinum-group catalyst class. Characterized by its semiconducting electronic nature, this compound occupies a stable position on the convex hull, indicating robust thermodynamic stability under standard conditions.
Its unique composition of ruthenium, antimony, and selenium positions it as a specialized material for catalytic applications. The stability of its structure makes it a compelling candidate for fundamental studies in solid-state chemistry and advanced material design.
Key Properties
Cross-validated computational properties for Ru4Sb4Se4, 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 Ru4Sb4Se4, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 0.75 | 0.0000 | -6.258 | 8.21 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 8.20 |
Applications
Where Ru4Sb4Se4 is used.
Frequently Asked Questions
Common questions about Ru4Sb4Se4, answered from cross-validated data.
What is Ru4Sb4Se4?
Ru4Sb4Se4 is a thermodynamically stable semiconducting ternary alloy containing ruthenium, antimony, and selenium.
What is Ru4Sb4Se4 used for?
What is the band gap of Ru4Sb4Se4?
Is Ru4Sb4Se4 a metal, semiconductor, or insulator?
Is Ru4Sb4Se4 thermodynamically stable?
What is the crystal structure of Ru4Sb4Se4?
What is the density of Ru4Sb4Se4?
How many polymorphs of Ru4Sb4Se4 are known?
What elements does Ru4Sb4Se4 contain?
Where does the data for Ru4Sb4Se4 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse group of platinum-group alloys, Ru4Sb4Se4 distinguishes itself from binary counterparts like GeRu or Ga2Ru through its complex ternary stoichiometry. While materials such as IrSe2 often exhibit distinct chalcogenide-like behavior, Ru4Sb4Se4 maintains a stable framework that bridges the gap between traditional metallic catalysts and semiconducting electronic materials.
Related Compounds
Other Platinum-Group Alloy Catalysts 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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