GaTc
This is an intermetallic compound composed of gallium and technetium. It is primarily studied in the context of fundamental solid-state physics and materials science research regarding the properties of transition metal gallides.
GaTc
Overview
Key Properties
Cross-validated computational properties for GaTc, 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.
Metallic / not reported
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.
0.000 eV/atom
Best (lowest) across sources
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.
On hull (stable)
3 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
62
4 databases, 14 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for GaTc, 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. |
|---|---|---|---|---|---|
| P-6m2 (No. 187) | hexagonal | 0.00 | 0.0000 | -18.795 | 9.65 |
| P-6m2 (No. 187) | — | — | — | — | — |
| P-6m2 (No. 187) | Hexagonal | — | — | — | 8.45 |
| Pm (No. 6) | Monoclinic | — | — | — | 8.36 |
| Pm (No. 6) | Monoclinic | — | — | — | 10.47 |
| C2/m (No. 12) | Monoclinic | — | — | — | 8.66 |
| Pm (No. 6) | Monoclinic | — | — | — | 9.62 |
| C2/m (No. 12) | Monoclinic | — | — | — | 8.34 |
| C2/m (No. 12) | Monoclinic | — | — | — | 8.67 |
| Cm (No. 8) | Monoclinic | — | — | — | 10.25 |
| P2/m (No. 10) | Monoclinic | — | — | — | 11.86 |
| P2/m (No. 10) | Monoclinic | — | — | — | 9.53 |
Uses
Applications
Where GaTc is used.
Scientific researchMaterials science studies
Reference
Frequently Asked Questions
Common questions about GaTc, answered from cross-validated data.
What is GaTc?
This is an intermetallic compound composed of gallium and technetium. It is primarily studied in the context of fundamental solid-state physics and materials science research regarding the properties of transition metal gallides.
More questions
What is GaTc used for?
GaTc is used in scientific research and materials science studies.
What is the band gap of GaTc?
GaTc is computed to be metallic (no band gap) in the reported DFT structures.
Is GaTc a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is GaTc thermodynamically stable?
Yes — GaTc sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of GaTc?
The lowest-energy reported polymorph of GaTc is hexagonal symmetry, space group P-6m2 (No. 187).
What is the density of GaTc?
The computed density of the ground-state structure of GaTc is 9.65 g/cm³.
How many polymorphs of GaTc are known?
62 structures of GaTc are reported across 4 databases, spanning 14 distinct space groups.
What elements does GaTc contain?
GaTc contains Ga and Tc (2 elements).
Where does the data for GaTc come from?
GaTc data is cross-referenced from materials_project, jarvis, mpaloe, omat24.
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.
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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