La16O48W8
La16O48W8 is a thermodynamically stable, insulating ternary oxide composed of lanthanum, tungsten, and oxygen.
About La16O48W8
La16O48W8 is a complex ternary oxide composed of lanthanum, tungsten, and oxygen. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions. Its electronic character is defined by a wide band gap, classifying it as an insulator with potential utility in specialized dielectric or ceramic applications. The material has been identified across multiple structural studies, highlighting its significance in the landscape of complex metal oxides. Its stability and insulating nature make it an intriguing candidate for research into advanced oxide materials where thermal and chemical robustness are required.
Key Properties
Cross-validated computational properties for La16O48W8, 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 La16O48W8, 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. |
|---|---|---|---|---|---|
| P212121 (No. 19) | orthorhombic | 3.68 | 0.0000 | -9.138 | 6.93 |
| Pmn21 (No. 31) | orthorhombic | 3.29 | 0.0140 | -9.124 | 6.62 |
| P212121 (No. 19) | orthorhombic | 3.65 | 0.0181 | -9.120 | 6.70 |
| Pbca (No. 61) | orthorhombic | 3.23 | 0.0239 | -9.114 | 6.77 |
| P2/c (No. 13) | monoclinic | 3.52 | 0.0292 | -9.109 | 7.00 |
| P212121 (No. 19) | orthorhombic | 3.58 | 0.0303 | -9.108 | 7.21 |
| C2/c (No. 15) | monoclinic | 3.26 | 0.0314 | -9.107 | 6.83 |
| R-3 (No. 148) | trigonal | 3.56 | 0.1391 | -8.999 | 6.67 |
| — | — | — | — | — | 7.21 |
| — | — | — | — | — | 6.64 |
| — | — | — | — | — | 7.21 |
| — | — | — | — | — | 6.64 |
Applications
Where La16O48W8 is used.
Patent Landscape
1 patent reference La16O48W8 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 8248032 | Charging system for prioritizing load consumption in a notebook computer | — | — |
Frequently Asked Questions
Common questions about La16O48W8, answered from cross-validated data.
What is La16O48W8?
La16O48W8 is a thermodynamically stable, insulating ternary oxide composed of lanthanum, tungsten, and oxygen.
What is La16O48W8 used for?
What is the band gap of La16O48W8?
Is La16O48W8 a metal, semiconductor, or insulator?
Is La16O48W8 thermodynamically stable?
What is the crystal structure of La16O48W8?
What is the density of La16O48W8?
How many polymorphs of La16O48W8 are known?
What elements does La16O48W8 contain?
Where does the data for La16O48W8 come from?
How It Compares
As a unique ternary oxide, La16O48W8 serves as a representative example of the structural complexity achievable in lanthanum-tungsten-oxygen systems. While it does not share its specific stoichiometry with a broad family of simple binary oxides, it occupies a distinct niche within the broader class of lanthanum tungstates, demonstrating the high degree of structural diversity possible when balancing these specific metallic elements.
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).
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