AsRuSb
AsRuSb is a metastable, semiconducting ternary alloy composed of arsenic, ruthenium, and antimony that is primarily studied for its unique electronic properties in catalytic research.
About AsRuSb
AsRuSb is a specialized ternary compound belonging to the platinum-group alloy catalyst class. Characterized by its semiconducting electronic nature, this material represents a complex integration of pnictogen elements with a transition metal, reflecting the diverse structural possibilities inherent in this chemical family. As a metastable phase, it is of significant interest for fundamental studies in solid-state chemistry and materials design. Its existence across multiple reported structures highlights the structural flexibility of ruthenium-based alloys, offering a unique platform for exploring electronic tuning in catalytic environments.
Key Properties
Cross-validated computational properties for AsRuSb, 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 AsRuSb, 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. |
|---|---|---|---|---|---|
| P2/m (No. 10) | monoclinic | 0.12 | 0.0901 | -22.229 | 8.35 |
| — | — | — | — | — | 8.60 |
| F-43m (No. 216) | — | — | — | — | — |
Applications
Where AsRuSb is used.
Frequently Asked Questions
Common questions about AsRuSb, answered from cross-validated data.
What is AsRuSb?
AsRuSb is a metastable, semiconducting ternary alloy composed of arsenic, ruthenium, and antimony that is primarily studied for its unique electronic properties in catalytic research.
What is AsRuSb used for?
What is the band gap of AsRuSb?
Is AsRuSb a metal, semiconductor, or insulator?
Is AsRuSb thermodynamically stable?
What is the crystal structure of AsRuSb?
What is the density of AsRuSb?
How many polymorphs of AsRuSb are known?
What elements does AsRuSb contain?
Where does the data for AsRuSb come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the broader class of platinum-group alloys, AsRuSb occupies a distinct niche compared to more common binary systems like GeRu or P3Ru. While many members of this class are metallic, the semiconducting nature of AsRuSb sets it apart, providing a different electronic landscape for potential catalytic interactions than its more conductive siblings such as BaPd or LaRh.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
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