Bi4P8S28Tl8
Bi4P8S28Tl8 is a thermodynamically stable semiconducting quaternary sulfide composed of bismuth, phosphorus, sulfur, and thallium.
About Bi4P8S28Tl8
Bi4P8S28Tl8 is a complex quaternary sulfide featuring bismuth, phosphorus, and thallium. As a thermodynamically stable material residing on the convex hull, it represents a robust phase within its compositional space. Its existence across multiple reported structures highlights its structural versatility and potential for further investigation in solid-state chemistry.
This compound exhibits semiconducting electronic character, making it a subject of interest for researchers exploring new functional materials. Its unique elemental combination suggests potential utility in specialized electronic or optoelectronic applications where specific band characteristics are required.
Key Properties
Cross-validated computational properties for Bi4P8S28Tl8, 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 Bi4P8S28Tl8, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 2.14 | 0.0000 | -4.707 | 4.51 |
| No. 0 | unknown | — | — | — | 0.62 |
| C2/c (No. 15) | — | — | — | — | — |
Applications
Where Bi4P8S28Tl8 is used.
Frequently Asked Questions
Common questions about Bi4P8S28Tl8, answered from cross-validated data.
What is Bi4P8S28Tl8?
Bi4P8S28Tl8 is a thermodynamically stable semiconducting quaternary sulfide composed of bismuth, phosphorus, sulfur, and thallium.
What is Bi4P8S28Tl8 used for?
What is the band gap of Bi4P8S28Tl8?
Is Bi4P8S28Tl8 a metal, semiconductor, or insulator?
Is Bi4P8S28Tl8 thermodynamically stable?
What is the crystal structure of Bi4P8S28Tl8?
What is the density of Bi4P8S28Tl8?
How many polymorphs of Bi4P8S28Tl8 are known?
What elements does Bi4P8S28Tl8 contain?
Where does the data for Bi4P8S28Tl8 come from?
How It Compares
As a unique quaternary phase, Bi4P8S28Tl8 serves as a distinct entry in the landscape of complex chalcogenides, providing a stable reference point for future studies of similar multi-element systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
Analyze Bi4P8S28Tl8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →