Ba8Se20Sn4
Ba8Se20Sn4 is a thermodynamically stable semiconducting quaternary compound containing barium, selenium, and tin.
About Ba8Se20Sn4
Ba8Se20Sn4 is a complex quaternary chalcogenide composed of barium, selenium, and tin. As a thermodynamically stable material residing on the convex hull, it represents a well-defined structural arrangement within its chemical system.
This compound exhibits semiconducting electronic character, making it a subject of interest for researchers investigating new functional materials. Its unique composition allows for potential tuning of electronic properties through structural modification.
Key Properties
Cross-validated computational properties for Ba8Se20Sn4, 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 Ba8Se20Sn4, 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. |
|---|---|---|---|---|---|
| P212121 (No. 19) | orthorhombic | 1.09 | 0.0000 | -4.678 | 5.13 |
| P21/c (No. 14) | monoclinic | 1.34 | 0.0150 | -4.663 | 5.21 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.36 |
Applications
Where Ba8Se20Sn4 is used.
Frequently Asked Questions
Common questions about Ba8Se20Sn4, answered from cross-validated data.
What is Ba8Se20Sn4?
Ba8Se20Sn4 is a thermodynamically stable semiconducting quaternary compound containing barium, selenium, and tin.
What is Ba8Se20Sn4 used for?
What is the band gap of Ba8Se20Sn4?
Is Ba8Se20Sn4 a metal, semiconductor, or insulator?
Is Ba8Se20Sn4 thermodynamically stable?
What is the crystal structure of Ba8Se20Sn4?
What is the density of Ba8Se20Sn4?
How many polymorphs of Ba8Se20Sn4 are known?
What elements does Ba8Se20Sn4 contain?
Where does the data for Ba8Se20Sn4 come from?
How It Compares
As a distinct quaternary phase, Ba8Se20Sn4 occupies a unique position within the broader landscape of barium-tin-selenide compounds. It serves as a stable reference point for understanding the phase space of complex chalcogenides where structural complexity and electronic behavior intersect.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
Analyze Ba8Se20Sn4 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →