K8Sn4Te12
This compound is a complex chalcogenide material composed of potassium, tin, and tellurium. It is primarily studied by researchers for its potential in thermoelectric applications due to its unique structural properties.
Key Properties
Cross-validated computational properties for K8Sn4Te12, 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 K8Sn4Te12, 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. |
|---|---|---|---|---|---|
| Cmce (No. 64) | orthorhombic | 0.96 | 0.0000 | -3.509 | 4.32 |
| — | — | — | — | — | 4.26 |
| Cmce (No. 64) | — | — | — | — | — |
| Cmce (No. 64) | — | — | — | — | — |
Applications
Where K8Sn4Te12 is used.
Frequently Asked Questions
Common questions about K8Sn4Te12, answered from cross-validated data.
What is K8Sn4Te12?
This compound is a complex chalcogenide material composed of potassium, tin, and tellurium. It is primarily studied by researchers for its potential in thermoelectric applications due to its unique structural properties.
What is K8Sn4Te12 used for?
What is the band gap of K8Sn4Te12?
Is K8Sn4Te12 a metal, semiconductor, or insulator?
Is K8Sn4Te12 thermodynamically stable?
What is the crystal structure of K8Sn4Te12?
What is the density of K8Sn4Te12?
How many polymorphs of K8Sn4Te12 are known?
What elements does K8Sn4Te12 contain?
Where does the data for K8Sn4Te12 come from?
Related Compounds
Other Halide Perovskite Photovoltaics 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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