CrTe3
CrTe3 is a stable semiconducting compound formed from chromium and tellurium.
About CrTe3
CrTe3 is a semiconducting compound composed of chromium and tellurium. As a thermodynamically stable phase residing on the convex hull, it represents a robust configuration within the chromium-tellurium binary system, offering predictable structural integrity for materials research.
Its electronic character makes it an interesting candidate for studies in semiconductor physics. With multiple reported structures across various databases, this compound serves as a significant subject for those investigating the diverse coordination environments possible in metal chalcogenides.
Key Properties
Cross-validated computational properties for CrTe3, 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 CrTe3, 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 | 0.18 | 0.0000 | -5.221 | 5.89 |
| — | — | — | — | — | 6.09 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.94 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.93 |
| — | — | — | — | — | 7.09 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.92 |
| — | — | — | — | — | 6.11 |
| — | — | — | — | — | 6.09 |
Applications
Where CrTe3 is used.
Frequently Asked Questions
Common questions about CrTe3, answered from cross-validated data.
What is CrTe3?
CrTe3 is a stable semiconducting compound formed from chromium and tellurium.
What is CrTe3 used for?
What is the band gap of CrTe3?
Is CrTe3 a metal, semiconductor, or insulator?
Is CrTe3 thermodynamically stable?
What is the crystal structure of CrTe3?
What is the density of CrTe3?
How many polymorphs of CrTe3 are known?
What elements does CrTe3 contain?
Where does the data for CrTe3 come from?
How It Compares
As a distinct binary chalcogenide, CrTe3 occupies a unique position in materials science where its thermodynamic stability distinguishes it as a reliable reference point for exploring the broader landscape of chromium-based tellurides.
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).
- mpaloe — Data from mpaloe.
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