Li8P4Sr4
Li8P4Sr4 is a thermodynamically stable, semiconducting crystalline compound containing lithium, phosphorus, and strontium.
About Li8P4Sr4
Li8P4Sr4 is a complex inorganic compound composed of lithium, phosphorus, and strontium. As a thermodynamically stable material residing on the convex hull, it represents a robust phase within its compositional space, offering a reliable framework for further investigation into its physical properties.
This material exhibits semiconducting electronic behavior, which makes it an intriguing candidate for specialized electronic applications. Its existence across multiple structural databases underscores its significance as a well-defined crystalline phase in modern materials research.
Key Properties
Cross-validated computational properties for Li8P4Sr4, aggregated across 3 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 Li8P4Sr4, 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. |
|---|---|---|---|---|---|
| R-3m (No. 166) | trigonal | 0.98 | 0.0000 | -7.061 | 3.10 |
| — | — | — | — | — | 2.41 |
| Pnma (No. 62) | — | — | — | — | — |
Applications
Where Li8P4Sr4 is used.
Frequently Asked Questions
Common questions about Li8P4Sr4, answered from cross-validated data.
What is Li8P4Sr4?
Li8P4Sr4 is a thermodynamically stable, semiconducting crystalline compound containing lithium, phosphorus, and strontium.
What is Li8P4Sr4 used for?
What is the band gap of Li8P4Sr4?
Is Li8P4Sr4 a metal, semiconductor, or insulator?
Is Li8P4Sr4 thermodynamically stable?
What is the crystal structure of Li8P4Sr4?
What is the density of Li8P4Sr4?
How many polymorphs of Li8P4Sr4 are known?
What elements does Li8P4Sr4 contain?
Where does the data for Li8P4Sr4 come from?
How It Compares
As a unique ternary phase, Li8P4Sr4 serves as a foundational example of how alkaline earth metals and lithium can integrate with phosphorus to form stable, semiconducting architectures without requiring the complex doping often seen in other material systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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