Li4O8Rh4
Li4O8Rh4 is a thermodynamically stable, semiconducting lithium rhodium oxide.
About Li4O8Rh4
Li4O8Rh4 is a complex lithium oxide characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement within the lithium-rhodium-oxygen system.
This material is of interest for its unique structural chemistry and potential for specialized electronic applications. Its stability and distinct electronic profile make it a noteworthy subject for researchers investigating the diverse landscape of lithium-containing transition metal oxides.
Key Properties
Cross-validated computational properties for Li4O8Rh4, 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 Li4O8Rh4, 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 | 1.52 | 0.0000 | -6.348 | 6.29 |
| Fd-3m (No. 227) | cubic | 1.30 | 0.0088 | -6.339 | 6.20 |
| — | — | — | — | — | 5.91 |
| Fd-3m (No. 227) | — | — | — | — | — |
Applications
Where Li4O8Rh4 is used.
Frequently Asked Questions
Common questions about Li4O8Rh4, answered from cross-validated data.
What is Li4O8Rh4?
Li4O8Rh4 is a thermodynamically stable, semiconducting lithium rhodium oxide.
What is Li4O8Rh4 used for?
What is the band gap of Li4O8Rh4?
Is Li4O8Rh4 a metal, semiconductor, or insulator?
Is Li4O8Rh4 thermodynamically stable?
What is the crystal structure of Li4O8Rh4?
What is the density of Li4O8Rh4?
How many polymorphs of Li4O8Rh4 are known?
What elements does Li4O8Rh4 contain?
Where does the data for Li4O8Rh4 come from?
How It Compares
Within the lithium oxides class.
Unlike the widely utilized battery cathode materials such as LiCoO2 or LiMn2O4, which are primarily studied for their electrochemical intercalation properties, Li4O8Rh4 occupies a more niche position within the lithium oxide class. While compounds like Li2O serve as fundamental binary oxides, Li4O8Rh4 demonstrates the structural complexity possible when incorporating transition metals like rhodium into the lithium-oxygen framework.
Related Compounds
Other Lithium Oxides in the database.
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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