Cu4Mg4Zn4
Cu4Mg4Zn4 is a thermodynamically stable metallic intermetallic compound formed from copper, magnesium, and zinc.
About Cu4Mg4Zn4
Cu4Mg4Zn4 is a complex metallic phase composed of copper, magnesium, and zinc. As a thermodynamically stable material situated on the convex hull, it represents a robust structural configuration that maintains its integrity under standard conditions. Its metallic nature suggests high electrical and thermal conductivity, characteristic of multicomponent intermetallic systems.
Given its high data richness with numerous reported structures across multiple databases, this compound serves as a significant reference point for researchers studying ternary alloy systems. Its stability and composition make it an intriguing subject for investigating phase formation and structural evolution in light-metal-based alloys.
Key Properties
Cross-validated computational properties for Cu4Mg4Zn4, aggregated across 5 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 Cu4Mg4Zn4, 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. |
|---|---|---|---|---|---|
| Imma (No. 74) | orthorhombic | 0.00 | 0.0000 | -2.518 | 5.71 |
| Pnma (No. 62) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| Pbcm (No. 57) | — | — | — | — | — |
| Pmc21 (No. 26) | — | — | — | — | — |
| P63/mmc (No. 194) | — | — | — | — | — |
| Pmc21 (No. 26) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
| Cmcm (No. 63) | — | — | — | — | — |
| Pmc21 (No. 26) | — | — | — | — | — |
Applications
Where Cu4Mg4Zn4 is used.
Frequently Asked Questions
Common questions about Cu4Mg4Zn4, answered from cross-validated data.
What is Cu4Mg4Zn4?
Cu4Mg4Zn4 is a thermodynamically stable metallic intermetallic compound formed from copper, magnesium, and zinc.
What is Cu4Mg4Zn4 used for?
What is the band gap of Cu4Mg4Zn4?
Is Cu4Mg4Zn4 a metal, semiconductor, or insulator?
Is Cu4Mg4Zn4 thermodynamically stable?
What is the crystal structure of Cu4Mg4Zn4?
What is the density of Cu4Mg4Zn4?
How many polymorphs of Cu4Mg4Zn4 are known?
What elements does Cu4Mg4Zn4 contain?
Where does the data for Cu4Mg4Zn4 come from?
How It Compares
As a unique ternary intermetallic phase, Cu4Mg4Zn4 serves as a foundational example of how copper, magnesium, and zinc can organize into stable, ordered metallic structures without requiring complex stabilization strategies.
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).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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