Ga2Te3
Ga2Te3 is a stable semiconducting compound formed from gallium and tellurium that exhibits a high degree of structural complexity.
About Ga2Te3
Ga2Te3 is a binary semiconductor composed of gallium and tellurium. As a thermodynamically stable phase located on the convex hull, it represents a robust configuration within its chemical system, making it a subject of significant interest for structural and electronic characterization.
The compound is characterized by its structural diversity, with numerous reported configurations across various databases. This structural richness highlights its complexity and potential utility in fundamental materials science research, where stable semiconducting phases are essential for exploring new electronic properties.
Key Properties
Cross-validated computational properties for Ga2Te3, 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.
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 Ga2Te3, 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. |
|---|---|---|---|---|---|
| Cc (No. 9) | monoclinic | 0.64 | 0.0000 | -20.230 | 5.40 |
| Imm2 (No. 44) | orthorhombic | 0.18 | 0.0145 | -20.215 | 5.09 |
| Cm (No. 8) | monoclinic | 0.00 | 0.1393 | -20.090 | 3.97 |
| Cm (No. 8) | monoclinic | 0.36 | 0.1859 | -20.044 | 3.80 |
| R-3m (No. 166) | trigonal | 0.00 | 0.3351 | -19.895 | 6.32 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.11 |
| Cm (No. 8) | Monoclinic | — | — | — | 5.21 |
| R-3m (No. 166) | — | — | — | — | — |
| Cm (No. 8) | Monoclinic | — | — | — | 3.90 |
| Cm (No. 8) | Monoclinic | — | — | — | 3.95 |
| Cc (No. 9) | Monoclinic | — | — | — | 5.40 |
| Cc (No. 9) | Monoclinic | — | — | — | 5.23 |
Applications
Where Ga2Te3 is used.
Frequently Asked Questions
Common questions about Ga2Te3, answered from cross-validated data.
What is Ga2Te3?
Ga2Te3 is a stable semiconducting compound formed from gallium and tellurium that exhibits a high degree of structural complexity.
What is Ga2Te3 used for?
What is the band gap of Ga2Te3?
Is Ga2Te3 a metal, semiconductor, or insulator?
Is Ga2Te3 thermodynamically stable?
What is the crystal structure of Ga2Te3?
What is the density of Ga2Te3?
How many polymorphs of Ga2Te3 are known?
What elements does Ga2Te3 contain?
Where does the data for Ga2Te3 come from?
How It Compares
As a stable binary semiconductor, Ga2Te3 serves as a foundational reference point for gallium-telluride systems, providing a reliable baseline for understanding the phase behavior and electronic properties of chalcogenide-based materials.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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