Cu2Ga2Te4
Cu2Ga2Te4 is a stable semiconducting material composed of copper, gallium, and tellurium that is frequently studied for its structural characteristics.
About Cu2Ga2Te4
Cu2Ga2Te4 is a semiconducting compound composed of copper, gallium, and tellurium. As a thermodynamically stable material residing on the convex hull, it represents a robust phase within the chalcogenide family, offering reliable structural integrity for specialized research.
The material has garnered significant interest in the scientific community, evidenced by its presence across multiple structural databases. Its electronic character makes it a subject of investigation for those exploring complex semiconductor systems and their potential for future device integration.
Key Properties
Cross-validated computational properties for Cu2Ga2Te4, 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 Cu2Ga2Te4, 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. |
|---|---|---|---|---|---|
| I-42d (No. 122) | tetragonal | 0.21 | 0.0000 | -18.627 | 5.91 |
| R3m (No. 160) | trigonal | 0.00 | 0.0498 | -18.578 | 5.68 |
| R-3m (No. 166) | trigonal | 0.00 | 0.1882 | -18.439 | 6.93 |
| I41/amd (No. 141) | tetragonal | 0.00 | 0.2040 | -18.423 | 6.91 |
| P4/mmm (No. 123) | tetragonal | 0.00 | 0.2180 | -18.409 | 7.00 |
| I-42d (No. 122) | — | — | — | — | — |
| I-42d (No. 122) | — | — | — | — | — |
| I-42d (No. 122) | — | — | — | — | — |
| I-42d (No. 122) | — | — | — | — | — |
| — | — | — | — | — | 5.71 |
| I-42d (No. 122) | — | — | — | — | — |
| I-42d (No. 122) | — | — | — | — | — |
Applications
Where Cu2Ga2Te4 is used.
Frequently Asked Questions
Common questions about Cu2Ga2Te4, answered from cross-validated data.
What is Cu2Ga2Te4?
Cu2Ga2Te4 is a stable semiconducting material composed of copper, gallium, and tellurium that is frequently studied for its structural characteristics.
What is Cu2Ga2Te4 used for?
What is the band gap of Cu2Ga2Te4?
Is Cu2Ga2Te4 a metal, semiconductor, or insulator?
Is Cu2Ga2Te4 thermodynamically stable?
What is the crystal structure of Cu2Ga2Te4?
What is the density of Cu2Ga2Te4?
How many polymorphs of Cu2Ga2Te4 are known?
What elements does Cu2Ga2Te4 contain?
Where does the data for Cu2Ga2Te4 come from?
How It Compares
As a distinct semiconducting chalcogenide, Cu2Ga2Te4 occupies a unique position in materials science research. While it stands as an individual entry in this context, its stability and structural diversity distinguish it as a foundational material for exploring copper-gallium-telluride phase space.
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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