Cr3Si
Chromium silicide · trichromium silicide
Chromium silicide is an intermetallic compound known for its high hardness and stability at elevated temperatures. It is primarily utilized in industrial settings where materials must withstand harsh environments and mechanical stress.
Key Properties
Cross-validated computational properties for Chromium silicide, aggregated across 5 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 Cr3Si, 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. |
|---|---|---|---|---|---|
| Pm-3n (No. 223) | cubic | 0.00 | 0.0000 | -13.641 | 6.79 |
| R3m (No. 160) | Trigonal | — | — | — | 6.42 |
| Cmcm (No. 63) | Orthorhombic | — | — | — | 3.33 |
| Cmcm (No. 63) | Orthorhombic | — | — | — | 4.01 |
| Cmcm (No. 63) | Orthorhombic | — | — | — | 4.51 |
| Cm (No. 8) | Monoclinic | — | — | — | 5.45 |
| Cm (No. 8) | Monoclinic | — | — | — | 7.79 |
| Cm (No. 8) | Monoclinic | — | — | — | 6.49 |
| — | — | — | — | — | — |
| Pm (No. 6) | Monoclinic | — | — | — | 5.45 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 7.60 |
| P-1 (No. 2) | Triclinic | — | — | — | 5.49 |
Applications
Where Chromium silicide is used.
Frequently Asked Questions
Common questions about Chromium silicide, answered from cross-validated data.
What is Cr3Si?
Chromium silicide is an intermetallic compound known for its high hardness and stability at elevated temperatures. It is primarily utilized in industrial settings where materials must withstand harsh environments and mechanical stress.
What is Cr3Si used for?
What is the band gap of Cr3Si?
Is Cr3Si a metal, semiconductor, or insulator?
Is Cr3Si thermodynamically stable?
What is the crystal structure of Cr3Si?
What is the density of Cr3Si?
How many polymorphs of Cr3Si are known?
What elements does Cr3Si contain?
Where does the data for Cr3Si come from?
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.
- alexandria — Data from alexandria.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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