As4Ru4Te4
As4Ru4Te4 is a stable, semiconducting alloy containing arsenic, ruthenium, and tellurium that is studied for its unique electronic properties.
About As4Ru4Te4
As4Ru4Te4 is a distinct semiconducting compound within the platinum-group alloy catalyst family. Its position on the convex hull indicates high thermodynamic stability, making it a reliable candidate for structural and electronic investigations in materials science. The material is characterized by its unique combination of arsenic, ruthenium, and tellurium, which facilitates specific electronic behaviors. It serves as a valuable subject for researchers exploring the intersection of noble metal alloys and semiconductor physics.
Key Properties
Cross-validated computational properties for As4Ru4Te4, 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 As4Ru4Te4, 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 | 0.83 | 0.0000 | -22.332 | 8.43 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 6.97 |
Applications
Where As4Ru4Te4 is used.
Frequently Asked Questions
Common questions about As4Ru4Te4, answered from cross-validated data.
What is As4Ru4Te4?
As4Ru4Te4 is a stable, semiconducting alloy containing arsenic, ruthenium, and tellurium that is studied for its unique electronic properties.
What is As4Ru4Te4 used for?
What is the band gap of As4Ru4Te4?
Is As4Ru4Te4 a metal, semiconductor, or insulator?
Is As4Ru4Te4 thermodynamically stable?
What is the crystal structure of As4Ru4Te4?
What is the density of As4Ru4Te4?
How many polymorphs of As4Ru4Te4 are known?
What elements does As4Ru4Te4 contain?
Where does the data for As4Ru4Te4 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the broader class of platinum-group alloy catalysts, As4Ru4Te4 occupies a specialized niche compared to more metallic counterparts like LaRh or BaPd. While many members of this group exhibit classic metallic conductivity, As4Ru4Te4 distinguishes itself through its semiconducting nature, offering a different electronic profile than binary systems such as As2Pt or GeRu.
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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