Ag2Cu1Li1
Ag2Cu1Li1 is a semiconducting ternary intermetallic compound characterized by its metastable nature and complex structural variety.
About Ag2Cu1Li1
Ag2Cu1Li1 is a ternary intermetallic compound composed of silver, copper, and lithium. As a semiconducting material, it represents a complex arrangement of metallic elements that deviate from typical metallic behavior, offering unique electronic properties for study in solid-state physics.
Due to its position above the thermodynamic hull, this compound is considered metastable, requiring specific synthesis conditions to stabilize its structure. Its existence across multiple reported structural configurations highlights the intricate phase space accessible to silver-copper-lithium systems.
Key Properties
Cross-validated computational properties for Ag2Cu1Li1, 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 Ag2Cu1Li1, 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 | 0.81 | 1.3914 | -12.704 | 0.57 |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
Applications
Where Ag2Cu1Li1 is used.
Frequently Asked Questions
Common questions about Ag2Cu1Li1, answered from cross-validated data.
What is Ag2Cu1Li1?
Ag2Cu1Li1 is a semiconducting ternary intermetallic compound characterized by its metastable nature and complex structural variety.
What is Ag2Cu1Li1 used for?
What is the band gap of Ag2Cu1Li1?
Is Ag2Cu1Li1 a metal, semiconductor, or insulator?
Is Ag2Cu1Li1 thermodynamically stable?
What is the crystal structure of Ag2Cu1Li1?
What is the density of Ag2Cu1Li1?
How many polymorphs of Ag2Cu1Li1 are known?
What elements does Ag2Cu1Li1 contain?
Where does the data for Ag2Cu1Li1 come from?
How It Compares
As a unique ternary phase, Ag2Cu1Li1 serves as a specialized subject within the broader landscape of complex intermetallic alloys, where its semiconducting nature distinguishes it from the more common metallic conductors found in similar elemental groupings.
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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