K4S10Sn4
K4S10Sn4 is a thermodynamically stable semiconducting compound composed of potassium, tin, and sulfur.
About K4S10Sn4
K4S10Sn4 is a complex quaternary sulfide characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of potassium, tin, and sulfur atoms that maintains integrity under standard conditions.
Its structural complexity is highlighted by multiple reported configurations across various databases, marking it as a subject of significant interest in solid-state chemistry. This compound serves as a model for understanding the interplay between alkali metals and chalcogenide frameworks in semiconducting materials.
Key Properties
Cross-validated computational properties for K4S10Sn4, 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 K4S10Sn4, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 1.41 | 0.0000 | -4.469 | 3.27 |
| C2/c (No. 15) | — | — | — | — | — |
| C2/c (No. 15) | — | — | — | — | — |
| — | — | — | — | — | 3.16 |
Applications
Where K4S10Sn4 is used.
Frequently Asked Questions
Common questions about K4S10Sn4, answered from cross-validated data.
What is K4S10Sn4?
K4S10Sn4 is a thermodynamically stable semiconducting compound composed of potassium, tin, and sulfur.
What is K4S10Sn4 used for?
What is the band gap of K4S10Sn4?
Is K4S10Sn4 a metal, semiconductor, or insulator?
Is K4S10Sn4 thermodynamically stable?
What is the crystal structure of K4S10Sn4?
What is the density of K4S10Sn4?
How many polymorphs of K4S10Sn4 are known?
What elements does K4S10Sn4 contain?
Where does the data for K4S10Sn4 come from?
How It Compares
As a unique quaternary sulfide, K4S10Sn4 occupies a distinct niche within the landscape of complex chalcogenides, offering a stable structural framework that provides a foundation for exploring electronic tuning in tin-based sulfide systems.
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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