K2La2O10Ti3
K2La2O10Ti3 is a stable, lead-free semiconducting material studied for its potential use in piezoelectric and electromechanical technologies.
About K2La2O10Ti3
K2La2O10Ti3 is a thermodynamically stable inorganic compound categorized within the lead-free piezoelectric class. As a semiconducting material, it represents a significant area of interest for researchers seeking to replace traditional lead-based ceramics in functional electronic components. Its structural integrity on the convex hull suggests high stability, making it a robust candidate for advanced material design. This compound is primarily investigated for its potential in electromechanical applications where environmental safety and long-term reliability are paramount. By leveraging its unique lattice arrangement, it contributes to the broader development of sustainable piezoelectric technologies.
Key Properties
Cross-validated computational properties for K2La2O10Ti3, 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 K2La2O10Ti3, 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. |
|---|---|---|---|---|---|
| I4/mmm (No. 139) | tetragonal | 1.73 | 0.0009 | -8.449 | 4.76 |
| I4/mmm (No. 139) | — | — | — | — | — |
| — | — | — | — | — | 4.13 |
| — | — | — | — | — | 4.29 |
Applications
Where K2La2O10Ti3 is used.
Frequently Asked Questions
Common questions about K2La2O10Ti3, answered from cross-validated data.
What is K2La2O10Ti3?
K2La2O10Ti3 is a stable, lead-free semiconducting material studied for its potential use in piezoelectric and electromechanical technologies.
What is K2La2O10Ti3 used for?
What is the band gap of K2La2O10Ti3?
Is K2La2O10Ti3 a metal, semiconductor, or insulator?
Is K2La2O10Ti3 thermodynamically stable?
What is the crystal structure of K2La2O10Ti3?
What is the density of K2La2O10Ti3?
How many polymorphs of K2La2O10Ti3 are known?
What elements does K2La2O10Ti3 contain?
Where does the data for K2La2O10Ti3 come from?
How It Compares
Within the lead-free piezoelectrics class.
Within the diverse family of lead-free piezoelectrics, K2La2O10Ti3 distinguishes itself through its complex stoichiometry compared to simpler perovskite-structured siblings like BaTiO3 or KTaO3. While many members of this class, such as NaNbO3 or Na2Ti3O7, are well-known for their specific ferroelectric or dielectric responses, this compound offers a distinct structural framework that broadens the design space for non-toxic, high-performance materials.
Related Compounds
Other Lead-Free Piezoelectrics 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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