La4O14Sn4
La4O14Sn4 is a thermodynamically stable semiconducting perovskite oxide used in materials science research.
About La4O14Sn4
La4O14Sn4 is a distinct member of the perovskite oxide family, characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions.
This compound is of significant interest for researchers investigating complex oxide systems. Its specific stoichiometry and electronic behavior make it a compelling candidate for studies involving functional materials where controlled charge transport and structural stability are essential requirements.
Key Properties
Cross-validated computational properties for La4O14Sn4, 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 La4O14Sn4, 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. |
|---|---|---|---|---|---|
| Fd-3m (No. 227) | cubic | 2.66 | 0.0000 | -7.792 | 6.75 |
| Fd-3m (No. 227) | — | — | — | — | — |
| Fd-3m (No. 227) | — | — | — | — | — |
| Fd-3m (No. 227) | — | — | — | — | — |
| Fd-3m (No. 227) | — | — | — | — | — |
| — | — | — | — | — | 5.56 |
Applications
Where La4O14Sn4 is used.
Frequently Asked Questions
Common questions about La4O14Sn4, answered from cross-validated data.
What is La4O14Sn4?
La4O14Sn4 is a thermodynamically stable semiconducting perovskite oxide used in materials science research.
What is La4O14Sn4 used for?
What is the band gap of La4O14Sn4?
Is La4O14Sn4 a metal, semiconductor, or insulator?
Is La4O14Sn4 thermodynamically stable?
What is the crystal structure of La4O14Sn4?
What is the density of La4O14Sn4?
How many polymorphs of La4O14Sn4 are known?
What elements does La4O14Sn4 contain?
Where does the data for La4O14Sn4 come from?
How It Compares
Within the perovskite oxides class.
Within the diverse landscape of perovskite oxides, La4O14Sn4 occupies a unique niche compared to more widely known counterparts like BaTiO3 or the magnetic LaMnO3. While many perovskites in this group are prized for their ferroelectric or catalytic properties, La4O14Sn4 stands out as a stable semiconducting framework that offers a different electronic profile than the metallic behavior often observed in LaNiO3.
Related Compounds
Other Perovskite Oxides in the database.
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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