Au2Cd1Zn1
Au2Cd1Zn1 is a stable, semiconducting ternary intermetallic compound containing gold, cadmium, and zinc.
About Au2Cd1Zn1
Au2Cd1Zn1 is a complex intermetallic compound composed of gold, cadmium, and zinc. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement of these metallic elements that maintains its integrity under standard conditions.
Exhibiting semiconducting electronic behavior, this compound bridges the gap between traditional metallic alloys and insulating materials. Its unique electronic character and structural stability make it an intriguing subject for fundamental research into multi-component intermetallic systems.
Key Properties
Cross-validated computational properties for Au2Cd1Zn1, 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 Au2Cd1Zn1, 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. |
|---|---|---|---|---|---|
| P4/mmm (No. 123) | tetragonal | 0.00 | 0.0000 | -32.770 | 13.76 |
| Immm (No. 71) | orthorhombic | 1.01 | 0.9556 | -31.814 | 0.98 |
| Immm (No. 71) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Au2Cd1Zn1, answered from cross-validated data.
What is Au2Cd1Zn1?
Au2Cd1Zn1 is a stable, semiconducting ternary intermetallic compound containing gold, cadmium, and zinc.
What is the band gap of Au2Cd1Zn1?
Is Au2Cd1Zn1 a metal, semiconductor, or insulator?
Is Au2Cd1Zn1 thermodynamically stable?
What is the crystal structure of Au2Cd1Zn1?
What is the density of Au2Cd1Zn1?
How many polymorphs of Au2Cd1Zn1 are known?
What elements does Au2Cd1Zn1 contain?
Where does the data for Au2Cd1Zn1 come from?
How It Compares
As a distinct intermetallic phase, Au2Cd1Zn1 serves as a representative example of how ternary combinations of gold and transition metals can stabilize into specific semiconducting configurations. It occupies a unique position in the landscape of complex alloys, demonstrating the structural diversity achievable when balancing noble metal components with zinc and cadmium.
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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