Ga2Te5
Ga2Te5 is a thermodynamically stable semiconducting compound formed from gallium and tellurium.
About Ga2Te5
Ga2Te5 is a thermodynamically stable binary compound composed of gallium and tellurium. As a member of the gallium-telluride system, it exhibits semiconducting electronic characteristics that make it a subject of interest for fundamental materials research and electronic device development.
With multiple reported structures across various databases, this compound demonstrates significant structural diversity. Its stability on the convex hull underscores its potential for reliable integration into specialized technological applications where stable semiconducting materials are required.
Key Properties
Cross-validated computational properties for Ga2Te5, 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 Ga2Te5, 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. |
|---|---|---|---|---|---|
| I4/m (No. 87) | tetragonal | 0.72 | 0.0000 | -21.723 | 5.64 |
| I4/m (No. 87) | — | — | — | — | — |
| I4/m (No. 87) | Tetragonal | — | — | — | 5.50 |
| I4/m (No. 87) | Tetragonal | — | — | — | 5.69 |
| I4/m (No. 87) | — | — | — | — | — |
| I4/m (No. 87) | — | — | — | — | — |
| I4/m (No. 87) | Tetragonal | — | — | — | 5.63 |
| I4/m (No. 87) | — | — | — | — | — |
| I4/m (No. 87) | — | — | — | — | — |
Applications
Where Ga2Te5 is used.
Frequently Asked Questions
Common questions about Ga2Te5, answered from cross-validated data.
What is Ga2Te5?
Ga2Te5 is a thermodynamically stable semiconducting compound formed from gallium and tellurium.
What is Ga2Te5 used for?
What is the band gap of Ga2Te5?
Is Ga2Te5 a metal, semiconductor, or insulator?
Is Ga2Te5 thermodynamically stable?
What is the crystal structure of Ga2Te5?
What is the density of Ga2Te5?
How many polymorphs of Ga2Te5 are known?
What elements does Ga2Te5 contain?
Where does the data for Ga2Te5 come from?
How It Compares
As a stable binary phase within the gallium-tellurium system, Ga2Te5 represents a distinct stoichiometry that contributes to the broader understanding of chalcogenide semiconductor behavior.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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