Ga1Ta1Tc2
Ga1Ta1Tc2 is a semiconducting ternary compound consisting of gallium, tantalum, and technetium that exists in a metastable state.
About Ga1Ta1Tc2
Ga1Ta1Tc2 is a complex ternary compound composed of gallium, tantalum, and technetium. As a semiconducting material, it represents an interesting subject for fundamental research into the electronic properties of transition metal-based intermetallics.
While the compound has been identified in numerous structural configurations, it is characterized as being thermodynamically unstable relative to its constituent elements. This metastable nature makes it a compelling candidate for high-pressure synthesis studies or specialized materials discovery efforts.
Key Properties
Cross-validated computational properties for Ga1Ta1Tc2, aggregated across 2 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 Ga1Ta1Tc2, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.31 | 3.6811 | -24.639 | 0.94 |
| F-43m (No. 216) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Ga1Ta1Tc2, answered from cross-validated data.
What is Ga1Ta1Tc2?
Ga1Ta1Tc2 is a semiconducting ternary compound consisting of gallium, tantalum, and technetium that exists in a metastable state.
What is the band gap of Ga1Ta1Tc2?
Is Ga1Ta1Tc2 a metal, semiconductor, or insulator?
Is Ga1Ta1Tc2 thermodynamically stable?
What is the crystal structure of Ga1Ta1Tc2?
What is the density of Ga1Ta1Tc2?
How many polymorphs of Ga1Ta1Tc2 are known?
What elements does Ga1Ta1Tc2 contain?
Where does the data for Ga1Ta1Tc2 come from?
How It Compares
As a unique ternary phase, Ga1Ta1Tc2 occupies a specialized niche in materials science where its semiconducting behavior distinguishes it from more common metallic or superconducting phases found in similar transition metal systems.
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).
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