K8SnSb4
K8SnSb4 is a thermodynamically stable semiconducting compound used in advanced materials research for potential optoelectronic applications.
About K8SnSb4
K8SnSb4 is a semiconducting ternary compound that maintains high thermodynamic stability, positioning it as a robust candidate for materials science investigations. Its unique structural arrangement within the broader field of complex inorganic solids makes it a subject of interest for researchers seeking stable alternatives in electronic applications.
As a stable phase on the convex hull, this compound offers a reliable platform for studying charge transport and structural integrity. It is primarily utilized in academic and industrial research settings focused on developing next-generation semiconducting materials for optoelectronic and energy-harvesting technologies.
Key Properties
Cross-validated computational properties for K8SnSb4, 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 K8SnSb4, 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 | 0.32 | 0.0000 | -2.761 | 2.79 |
| Fd-3m (No. 227) | Cubic | — | — | — | 2.71 |
| Fd-3m (No. 227) | Cubic | — | — | — | 2.76 |
| Fd-3m (No. 227) | Cubic | — | — | — | 2.78 |
| Fd-3m (No. 227) | — | — | — | — | — |
Applications
Where K8SnSb4 is used.
Frequently Asked Questions
Common questions about K8SnSb4, answered from cross-validated data.
What is K8SnSb4?
K8SnSb4 is a thermodynamically stable semiconducting compound used in advanced materials research for potential optoelectronic applications.
What is K8SnSb4 used for?
What is the band gap of K8SnSb4?
Is K8SnSb4 a metal, semiconductor, or insulator?
Is K8SnSb4 thermodynamically stable?
What is the crystal structure of K8SnSb4?
What is the density of K8SnSb4?
How many polymorphs of K8SnSb4 are known?
What elements does K8SnSb4 contain?
Where does the data for K8SnSb4 come from?
How It Compares
Within the halide perovskite photovoltaics class.
Unlike the halide-rich perovskite structures such as CsPbBr3 or CsSnI3, which are frequently studied for their specific band-gap tuning in solar cells, K8SnSb4 represents a distinct chemical space characterized by its specific alkali-metal and pnictide composition. While many of its class members rely on halide coordination to achieve semiconducting behavior, K8SnSb4 demonstrates that similar electronic utility can be achieved through different structural motifs.
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).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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