Ag1Au2In1
Ag1Au2In1 is a metastable semiconducting ternary intermetallic compound containing silver, gold, and indium.
About Ag1Au2In1
Ag1Au2In1 is a specialized ternary intermetallic compound composed of silver, gold, and indium. As a semiconducting material, it represents a niche composition within complex metallic systems, offering distinct electronic behavior driven by its specific atomic arrangement.
Because it exists in a metastable state, this compound is of significant interest for fundamental materials research into phase stability and synthesis pathways. Its electronic character suggests potential utility in advanced thin-film technologies or specialized electronic components where tunable semiconducting properties are required.
Key Properties
Cross-validated computational properties for Ag1Au2In1, 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 Ag1Au2In1, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 0.00 | 0.0304 | -36.418 | 13.81 |
| Immm (No. 71) | orthorhombic | 0.93 | 1.0623 | -35.386 | 1.03 |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
Applications
Where Ag1Au2In1 is used.
Frequently Asked Questions
Common questions about Ag1Au2In1, answered from cross-validated data.
What is Ag1Au2In1?
Ag1Au2In1 is a metastable semiconducting ternary intermetallic compound containing silver, gold, and indium.
What is Ag1Au2In1 used for?
What is the band gap of Ag1Au2In1?
Is Ag1Au2In1 a metal, semiconductor, or insulator?
Is Ag1Au2In1 thermodynamically stable?
What is the crystal structure of Ag1Au2In1?
What is the density of Ag1Au2In1?
How many polymorphs of Ag1Au2In1 are known?
What elements does Ag1Au2In1 contain?
Where does the data for Ag1Au2In1 come from?
How It Compares
As a unique ternary intermetallic, Ag1Au2In1 serves as a distinct example of how combining noble metals with post-transition elements can yield semiconducting behavior in otherwise metallic-dominated 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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