Cs32Se32Si8
Cs32Se32Si8 is a thermodynamically stable semiconducting compound containing cesium, selenium, and silicon.
About Cs32Se32Si8
Cs32Se32Si8 is a complex ternary compound composed of cesium, selenium, and silicon. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions.
This material exhibits semiconducting electronic character, making it an intriguing candidate for specialized electronic and optoelectronic research. Its unique stoichiometry and stability profile distinguish it as a noteworthy subject for further investigation within the broader landscape of chalcogenide-silicide systems.
Key Properties
Cross-validated computational properties for Cs32Se32Si8, 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 Cs32Se32Si8, 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. |
|---|---|---|---|---|---|
| P-43n (No. 218) | cubic | 2.22 | 0.0000 | -3.851 | 3.96 |
| P-43n (No. 218) | — | — | — | — | — |
| — | — | — | — | — | 3.87 |
| — | — | — | — | — | 3.87 |
Applications
Where Cs32Se32Si8 is used.
Frequently Asked Questions
Common questions about Cs32Se32Si8, answered from cross-validated data.
What is Cs32Se32Si8?
Cs32Se32Si8 is a thermodynamically stable semiconducting compound containing cesium, selenium, and silicon.
What is Cs32Se32Si8 used for?
What is the band gap of Cs32Se32Si8?
Is Cs32Se32Si8 a metal, semiconductor, or insulator?
Is Cs32Se32Si8 thermodynamically stable?
What is the crystal structure of Cs32Se32Si8?
What is the density of Cs32Se32Si8?
How many polymorphs of Cs32Se32Si8 are known?
What elements does Cs32Se32Si8 contain?
Where does the data for Cs32Se32Si8 come from?
How It Compares
As a distinct ternary phase, Cs32Se32Si8 occupies a unique position in materials research. Without direct structural analogs in its immediate class, it serves as a foundational example of how alkali metals can stabilize complex silicon-selenium frameworks, offering a benchmark for stability in similar multi-element 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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