KSnN
Potassium tin nitride is a ternary inorganic compound that belongs to the class of metal nitrides. It is primarily studied for its potential electronic and structural properties in materials science research.
Overview
Key Properties
Cross-validated computational properties for KSnN, 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.
1.03 eV
Range across DFT structures
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.
0.072 eV/atom
Best (lowest) across sources
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.
Metastable
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
6
3 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for KSnN, 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. |
|---|---|---|---|---|---|
| P63mc (No. 186) | hexagonal | 1.03 | 0.0717 | -4.621 | 4.49 |
| Cm (No. 8) | monoclinic | 0.00 | 0.2481 | -4.445 | 3.29 |
| P63mc (No. 186) | — | — | — | — | — |
| P63mc (No. 186) | Hexagonal | — | — | — | 4.49 |
| P63mc (No. 186) | Hexagonal | — | — | — | 4.61 |
| P63mc (No. 186) | Hexagonal | — | — | — | 4.66 |
Uses
Applications
Where KSnN is used.
Materials science researchSolid-state chemistry studies
Reference
Frequently Asked Questions
Common questions about KSnN, answered from cross-validated data.
What is KSnN?
Potassium tin nitride is a ternary inorganic compound that belongs to the class of metal nitrides. It is primarily studied for its potential electronic and structural properties in materials science research.
What is KSnN used for?
KSnN is used in materials science research and solid-state chemistry studies.
What is the band gap of KSnN?
KSnN has a DFT-computed band gap of 1.03 eV across 6 reported structures.
Is KSnN a metal, semiconductor, or insulator?
With a band gap up to 1.03 eV it is a semiconductor.
Is KSnN thermodynamically stable?
KSnN has a lowest energy above hull of 0.072 eV/atom (metastable).
What is the crystal structure of KSnN?
The lowest-energy reported polymorph of KSnN is hexagonal symmetry, space group P63mc (No. 186).
What is the density of KSnN?
The computed density of the ground-state structure of KSnN is 4.49 g/cm³.
How many polymorphs of KSnN are known?
6 structures of KSnN are reported across 3 databases, spanning 2 distinct space groups.
What elements does KSnN contain?
KSnN contains K, N, and Sn (3 elements).
Where does the data for KSnN come from?
KSnN data is cross-referenced from materials_project, jarvis, mpaloe.
Explore
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).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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