Ga1Mg2Zn1
Ga1Mg2Zn1 is a semimetallic ternary compound composed of gallium, magnesium, and zinc that exhibits metastable thermodynamic characteristics.
About Ga1Mg2Zn1
Ga1Mg2Zn1 is a ternary metallic compound composed of gallium, magnesium, and zinc. Its electronic character is defined as a near-zero-gap semimetallic material, placing it at the intersection of metallic and semiconducting behavior.
Due to its position above the thermodynamic hull, this compound is considered metastable or unstable under standard conditions. It is a data-rich subject of study, appearing across multiple structural configurations in materials databases.
Key Properties
Cross-validated computational properties for Ga1Mg2Zn1, 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 Ga1Mg2Zn1, 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 | 0.07 | 1.3910 | -0.622 | 0.33 |
| Imm2 (No. 44) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Ga1Mg2Zn1, answered from cross-validated data.
What is Ga1Mg2Zn1?
Ga1Mg2Zn1 is a semimetallic ternary compound composed of gallium, magnesium, and zinc that exhibits metastable thermodynamic characteristics.
What is the band gap of Ga1Mg2Zn1?
Is Ga1Mg2Zn1 a metal, semiconductor, or insulator?
Is Ga1Mg2Zn1 thermodynamically stable?
What is the crystal structure of Ga1Mg2Zn1?
What is the density of Ga1Mg2Zn1?
How many polymorphs of Ga1Mg2Zn1 are known?
What elements does Ga1Mg2Zn1 contain?
Where does the data for Ga1Mg2Zn1 come from?
How It Compares
As a unique ternary phase, Ga1Mg2Zn1 represents a complex intermetallic arrangement of its constituent elements. Without direct structural siblings in this specific class, it serves as a distinct case study for understanding the stability and electronic properties of gallium-magnesium-zinc 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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