SiRu
Ruthenium silicide · RuSi
Ruthenium silicide is a metallic compound formed from ruthenium and silicon. It is primarily studied for its potential utility in high-temperature electronics and specialized thin-film applications.
Overview
Key Properties
Cross-validated computational properties for Ruthenium silicide, aggregated across 4 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.
0.23 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.
0.000 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.
On hull (stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
373
4 databases, 40 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for SiRu, 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. |
|---|---|---|---|---|---|
| P213 (No. 198) | cubic | 0.23 | 0.0000 | -17.754 | 8.22 |
| Pm-3m (No. 221) | cubic | 0.00 | 0.0077 | -17.746 | 8.65 |
| Cm (No. 8) | Monoclinic | — | — | — | 6.75 |
| P213 (No. 198) | — | — | — | — | — |
| P1 (No. 1) | Triclinic | — | — | — | 7.11 |
| Pm-3m (No. 221) | — | — | — | — | — |
| Cm (No. 8) | Monoclinic | — | — | — | 7.61 |
| P1 (No. 1) | Triclinic | — | — | — | 7.27 |
| R3m (No. 160) | Trigonal | — | — | — | 6.94 |
| Cm (No. 8) | Monoclinic | — | — | — | 9.28 |
| R-3m (No. 166) | Trigonal | — | — | — | 6.33 |
| C2/m (No. 12) | Monoclinic | — | — | — | 5.68 |
Uses
Applications
Where Ruthenium silicide is used.
Semiconductor researchThin-film coatingsHigh-temperature electronic components
Reference
Frequently Asked Questions
Common questions about Ruthenium silicide, answered from cross-validated data.
What is SiRu?
Ruthenium silicide is a metallic compound formed from ruthenium and silicon. It is primarily studied for its potential utility in high-temperature electronics and specialized thin-film applications.
More questions
What is SiRu used for?
Ruthenium silicide (SiRu) is used in semiconductor research, thin-film coatings, and high-temperature electronic components.
What is the band gap of SiRu?
Ruthenium silicide (SiRu) has a DFT-computed band gap of 0.23 eV across 373 reported structures.
Is SiRu a metal, semiconductor, or insulator?
With a band gap up to 0.23 eV it is a semiconductor.
Is SiRu thermodynamically stable?
Yes — Ruthenium silicide (SiRu) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of SiRu?
The lowest-energy reported polymorph of Ruthenium silicide (SiRu) is cubic symmetry, space group P213 (No. 198).
What is the density of SiRu?
The computed density of the ground-state structure of Ruthenium silicide (SiRu) is 8.22 g/cm³.
How many polymorphs of SiRu are known?
373 structures of SiRu are reported across 4 databases, spanning 40 distinct space groups.
What elements does SiRu contain?
Ruthenium silicide (SiRu) contains Ru and Si (2 elements).
Where does the data for SiRu come from?
SiRu data is cross-referenced from materials_project, mpaloe, jarvis.
Explore
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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