K4Sn2Te10
K4Sn2Te10 is a thermodynamically stable semiconducting compound utilized in materials science research for its complex structural properties.
About K4Sn2Te10
K4Sn2Te10 is a complex semiconducting compound that occupies a stable position on the thermodynamic convex hull. Its structural architecture, characterized by a high degree of complexity, makes it a subject of significant interest for researchers investigating the fundamental properties of chalcogenide-based materials.
As a material with multiple reported structural variations, it serves as a valuable case study for understanding how atomic arrangements influence electronic behavior. Its stability and semiconducting nature provide a foundation for exploring potential applications in optoelectronics and specialized photovoltaic technologies.
Key Properties
Cross-validated computational properties for K4Sn2Te10, 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 K4Sn2Te10, 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/mcm (No. 140) | tetragonal | 0.54 | 0.0000 | -3.542 | 4.82 |
| — | — | — | — | — | 4.25 |
| — | — | — | — | — | 4.60 |
| — | — | — | — | — | 4.27 |
| I4/mcm (No. 140) | — | — | — | — | — |
| I4cm (No. 108) | — | — | — | — | — |
Applications
Where K4Sn2Te10 is used.
Frequently Asked Questions
Common questions about K4Sn2Te10, answered from cross-validated data.
What is K4Sn2Te10?
K4Sn2Te10 is a thermodynamically stable semiconducting compound utilized in materials science research for its complex structural properties.
What is K4Sn2Te10 used for?
What is the band gap of K4Sn2Te10?
Is K4Sn2Te10 a metal, semiconductor, or insulator?
Is K4Sn2Te10 thermodynamically stable?
What is the crystal structure of K4Sn2Te10?
What is the density of K4Sn2Te10?
How many polymorphs of K4Sn2Te10 are known?
What elements does K4Sn2Te10 contain?
Where does the data for K4Sn2Te10 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Within the diverse landscape of halide and chalcogenide perovskite-related materials, K4Sn2Te10 represents a more complex, multi-element structural departure from simpler, high-symmetry systems like CsPbBr3 or CsSnI3. While many of its class members are optimized for standard solar cell architectures, this compound serves as a distinct structural analog that highlights the versatility of tin-based frameworks when integrated with heavy chalcogenide elements.
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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