Os4S4Sb4
Os4S4Sb4 is a thermodynamically stable semiconducting compound containing osmium, sulfur, and antimony.
About Os4S4Sb4
Os4S4Sb4 is a complex ternary compound composed of osmium, sulfur, and antimony. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline configuration that has been identified across multiple structural databases.
This material exhibits semiconducting electronic character, making it a subject of interest for fundamental studies in solid-state physics. Its unique elemental combination suggests potential for specialized electronic or optoelectronic applications where specific band structures are required.
Key Properties
Cross-validated computational properties for Os4S4Sb4, 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 Os4S4Sb4, 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 | 1.12 | 0.0000 | -6.980 | 10.04 |
| — | — | — | — | — | 9.93 |
| — | — | — | — | — | 9.93 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 6.61 |
Applications
Where Os4S4Sb4 is used.
Frequently Asked Questions
Common questions about Os4S4Sb4, answered from cross-validated data.
What is Os4S4Sb4?
Os4S4Sb4 is a thermodynamically stable semiconducting compound containing osmium, sulfur, and antimony.
What is Os4S4Sb4 used for?
What is the band gap of Os4S4Sb4?
Is Os4S4Sb4 a metal, semiconductor, or insulator?
Is Os4S4Sb4 thermodynamically stable?
What is the crystal structure of Os4S4Sb4?
What is the density of Os4S4Sb4?
How many polymorphs of Os4S4Sb4 are known?
What elements does Os4S4Sb4 contain?
Where does the data for Os4S4Sb4 come from?
How It Compares
As a distinct ternary phase, Os4S4Sb4 occupies a unique position in materials space. Without direct structural siblings, it serves as a primary example of how heavy transition metals can integrate with chalcogens and pnictogens to form stable, semiconducting architectures.
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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