Ag1Y1Zn2
Ag1Y1Zn2 is a semiconducting intermetallic compound containing silver, yttrium, and zinc that is currently studied for its structural diversity.
About Ag1Y1Zn2
Ag1Y1Zn2 is a complex intermetallic compound composed of silver, yttrium, and zinc. As a semiconducting material, it exhibits electronic properties that distinguish it from purely metallic alloys, making it a subject of interest for fundamental solid-state studies.
While the compound has been identified across multiple structural configurations in databases, it is characterized as being thermodynamically unstable relative to the ground state. This suggests that its synthesis and long-term retention require specific experimental conditions to overcome its position above the stability hull.
Key Properties
Cross-validated computational properties for Ag1Y1Zn2, 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 Ag1Y1Zn2, 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 | 0.37 | 1.8854 | -13.355 | 0.49 |
| P2/m (No. 10) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Ag1Y1Zn2, answered from cross-validated data.
What is Ag1Y1Zn2?
Ag1Y1Zn2 is a semiconducting intermetallic compound containing silver, yttrium, and zinc that is currently studied for its structural diversity.
What is the band gap of Ag1Y1Zn2?
Is Ag1Y1Zn2 a metal, semiconductor, or insulator?
Is Ag1Y1Zn2 thermodynamically stable?
What is the crystal structure of Ag1Y1Zn2?
What is the density of Ag1Y1Zn2?
How many polymorphs of Ag1Y1Zn2 are known?
What elements does Ag1Y1Zn2 contain?
Where does the data for Ag1Y1Zn2 come from?
How It Compares
As an unclassified intermetallic, Ag1Y1Zn2 occupies a niche space in materials research where its semiconducting nature sets it apart from more common metallic phases. Without direct siblings in this specific ternary system, it serves as a unique case study for how the combination of noble metals, rare earths, and transition metals can influence electronic behavior despite thermodynamic challenges.
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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