La6O14Sb2
La6O14Sb2 is a thermodynamically stable semiconducting oxide containing lanthanum, oxygen, and antimony.
About La6O14Sb2
La6O14Sb2 is a complex oxide compound composed of lanthanum, oxygen, and antimony. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that is of significant interest for materials research focused on stable inorganic frameworks. Its electronic character is defined as semiconducting, which suggests potential utility in electronic or optoelectronic device architectures where specific charge transport properties are required. The material is characterized by a notable structural diversity, with multiple reported configurations across various databases, highlighting its versatile nature in solid-state chemistry.
Key Properties
Cross-validated computational properties for La6O14Sb2, 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 La6O14Sb2, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 2.81 | 0.0000 | -8.242 | 6.39 |
| Cmcm (No. 63) | orthorhombic | 2.81 | 0.0000 | -8.242 | 6.56 |
| Cmcm (No. 63) | — | — | — | — | — |
| Cmcm (No. 63) | — | — | — | — | — |
| — | — | — | — | — | 6.41 |
| — | — | — | — | — | 6.41 |
Applications
Where La6O14Sb2 is used.
Frequently Asked Questions
Common questions about La6O14Sb2, answered from cross-validated data.
What is La6O14Sb2?
La6O14Sb2 is a thermodynamically stable semiconducting oxide containing lanthanum, oxygen, and antimony.
What is La6O14Sb2 used for?
What is the band gap of La6O14Sb2?
Is La6O14Sb2 a metal, semiconductor, or insulator?
Is La6O14Sb2 thermodynamically stable?
What is the crystal structure of La6O14Sb2?
What is the density of La6O14Sb2?
How many polymorphs of La6O14Sb2 are known?
What elements does La6O14Sb2 contain?
Where does the data for La6O14Sb2 come from?
How It Compares
As a unique ternary oxide, La6O14Sb2 occupies a distinct position within the landscape of lanthanum-based materials. While many similar rare-earth oxides are studied for their insulating properties, this compound distinguishes itself through its semiconducting nature and its confirmed thermodynamic stability, marking it as a reliable candidate for further experimental investigation and synthesis.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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