Cs20Sb32
Cs20Sb32 is a thermodynamically stable semiconducting binary compound consisting of cesium and antimony.
About Cs20Sb32
Cs20Sb32 is a distinct inorganic compound composed of cesium and antimony. It is recognized for its semiconducting electronic character, which makes it a subject of interest for fundamental studies in solid-state physics and materials science.
As a thermodynamically stable phase located on the convex hull, this compound represents a robust structural arrangement of its constituent elements. Its existence across multiple reported structures highlights its significance in the broader landscape of complex binary intermetallic systems.
Key Properties
Cross-validated computational properties for Cs20Sb32, 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 Cs20Sb32, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 0.58 | 0.0000 | -25.963 | 4.56 |
| — | — | — | — | — | 3.45 |
| P21/c (No. 14) | — | — | — | — | — |
Applications
Where Cs20Sb32 is used.
Frequently Asked Questions
Common questions about Cs20Sb32, answered from cross-validated data.
What is Cs20Sb32?
Cs20Sb32 is a thermodynamically stable semiconducting binary compound consisting of cesium and antimony.
What is Cs20Sb32 used for?
What is the band gap of Cs20Sb32?
Is Cs20Sb32 a metal, semiconductor, or insulator?
Is Cs20Sb32 thermodynamically stable?
What is the crystal structure of Cs20Sb32?
What is the density of Cs20Sb32?
How many polymorphs of Cs20Sb32 are known?
What elements does Cs20Sb32 contain?
Where does the data for Cs20Sb32 come from?
How It Compares
As a unique binary phase, Cs20Sb32 serves as an important reference point for understanding the interplay between alkali metals and pnictogens in complex structural motifs. It occupies a specialized niche within the chemical space of cesium-antimony compounds, providing insights into structural stability that inform the design of related semiconducting materials.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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