Ag2Y1Zn1
Ag2Y1Zn1 is a semimetallic ternary intermetallic compound composed of silver, yttrium, and zinc.
About Ag2Y1Zn1
Ag2Y1Zn1 is a ternary intermetallic compound composed of silver, yttrium, and zinc. It exhibits a semimetallic electronic character, placing it in a regime where its conductive properties are highly sensitive to its specific atomic arrangement.
Due to its position above the thermodynamic hull, this material is considered metastable. Its existence across multiple reported structural variations highlights the complex phase space of silver-yttrium-zinc alloys, making it a subject of interest for fundamental solid-state physics studies.
Key Properties
Cross-validated computational properties for Ag2Y1Zn1, 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 Ag2Y1Zn1, 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 | 1.8121 | -16.507 | 0.50 |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
Applications
Where Ag2Y1Zn1 is used.
Frequently Asked Questions
Common questions about Ag2Y1Zn1, answered from cross-validated data.
What is Ag2Y1Zn1?
Ag2Y1Zn1 is a semimetallic ternary intermetallic compound composed of silver, yttrium, and zinc.
What is Ag2Y1Zn1 used for?
What is the band gap of Ag2Y1Zn1?
Is Ag2Y1Zn1 a metal, semiconductor, or insulator?
Is Ag2Y1Zn1 thermodynamically stable?
What is the crystal structure of Ag2Y1Zn1?
What is the density of Ag2Y1Zn1?
How many polymorphs of Ag2Y1Zn1 are known?
What elements does Ag2Y1Zn1 contain?
Where does the data for Ag2Y1Zn1 come from?
How It Compares
As an unclassified ternary intermetallic, Ag2Y1Zn1 represents a unique point in the phase diagram of silver-based alloys, serving as a distinct example of how combining rare-earth elements with transition metals can lead to complex, metastable electronic structures.
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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