Li1Na1Sr2
Li1Na1Sr2 is a semiconducting ternary intermetallic compound composed of lithium, sodium, and strontium that is typically found in metastable states.
About Li1Na1Sr2
Li1Na1Sr2 is a ternary intermetallic compound composed of lithium, sodium, and strontium. As a semiconducting material, it represents a unique intersection of alkali and alkaline earth metal chemistry, drawing attention for its electronic behavior despite the inherent challenges in its synthesis.
Because this compound exists above the thermodynamic hull, it is considered a metastable phase. Its structural complexity is evidenced by the multiple reported configurations found in materials databases, highlighting its role as a subject of interest in high-throughput computational studies of ternary systems.
Key Properties
Cross-validated computational properties for Li1Na1Sr2, 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 Li1Na1Sr2, 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 | 0.12 | 0.9947 | -8.066 | 0.16 |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
Applications
Where Li1Na1Sr2 is used.
Frequently Asked Questions
Common questions about Li1Na1Sr2, answered from cross-validated data.
What is Li1Na1Sr2?
Li1Na1Sr2 is a semiconducting ternary intermetallic compound composed of lithium, sodium, and strontium that is typically found in metastable states.
What is Li1Na1Sr2 used for?
What is the band gap of Li1Na1Sr2?
Is Li1Na1Sr2 a metal, semiconductor, or insulator?
Is Li1Na1Sr2 thermodynamically stable?
What is the crystal structure of Li1Na1Sr2?
What is the density of Li1Na1Sr2?
How many polymorphs of Li1Na1Sr2 are known?
What elements does Li1Na1Sr2 contain?
Where does the data for Li1Na1Sr2 come from?
How It Compares
As a unique ternary phase within the lithium-sodium-strontium system, Li1Na1Sr2 serves as a critical data point for understanding the limits of structural stability in alkali-alkaline earth alloys where few stable configurations exist.
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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