Cu2Ga1Ti1
Cu2Ga1Ti1 is a thermodynamically stable, semimetallic Heusler alloy used in fundamental research for its unique electronic characteristics.
About Cu2Ga1Ti1
Cu2Ga1Ti1 is a well-defined member of the Heusler alloy family, characterized by its robust thermodynamic stability on the convex hull. As a near-zero-gap semimetallic material, it exhibits electronic properties that bridge the gap between traditional metals and semiconductors, making it a subject of significant interest in condensed matter physics.
The compound is frequently studied for its structural versatility, with numerous reported configurations across material databases. Its stability and electronic nature position it as a candidate for exploring specialized magnetic or transport phenomena within the broader context of ternary intermetallic systems.
Key Properties
Cross-validated computational properties for Cu2Ga1Ti1, 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 Cu2Ga1Ti1, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 0.00 | 0.0000 | -5.017 | 7.66 |
| Immm (No. 71) | orthorhombic | 0.04 | 2.3097 | -2.707 | 0.62 |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
Applications
Where Cu2Ga1Ti1 is used.
Frequently Asked Questions
Common questions about Cu2Ga1Ti1, answered from cross-validated data.
What is Cu2Ga1Ti1?
Cu2Ga1Ti1 is a thermodynamically stable, semimetallic Heusler alloy used in fundamental research for its unique electronic characteristics.
What is Cu2Ga1Ti1 used for?
What is the band gap of Cu2Ga1Ti1?
Is Cu2Ga1Ti1 a metal, semiconductor, or insulator?
Is Cu2Ga1Ti1 thermodynamically stable?
What is the crystal structure of Cu2Ga1Ti1?
What is the density of Cu2Ga1Ti1?
How many polymorphs of Cu2Ga1Ti1 are known?
What elements does Cu2Ga1Ti1 contain?
Where does the data for Cu2Ga1Ti1 come from?
How It Compares
Within the heusler alloys class.
Within the diverse landscape of Heusler alloys, Cu2Ga1Ti1 distinguishes itself from siblings like NiSnTi or FeSbV through its specific elemental composition and stable phase behavior. While many members of this class are investigated for their potential in spintronics or thermoelectric applications, this compound provides a unique electronic profile that complements the behavior of other titanium-based alloys like Fe2Sn1Ti1.
Related Compounds
Other Heusler Alloys in the database.
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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