Bi4Br2In2Se8
Bi4Br2In2Se8 is a semiconducting quaternary compound containing bismuth, bromine, indium, and selenium that is considered a viable target for experimental synthesis.
About Bi4Br2In2Se8
Bi4Br2In2Se8 is a complex quaternary compound composed of bismuth, bromine, indium, and selenium. As a semiconducting material, it occupies a unique position in solid-state chemistry, offering potential for specialized electronic and optoelectronic applications.
Its thermodynamic profile suggests it is near the convex hull, indicating that it is likely synthesizable under controlled laboratory conditions. The structural complexity of this compound makes it a compelling candidate for researchers investigating novel chalcogenide-halide frameworks.
Key Properties
Cross-validated computational properties for Bi4Br2In2Se8, 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 Bi4Br2In2Se8, 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/m (No. 12) | monoclinic | 1.29 | 0.0178 | -4.046 | 6.44 |
| C2/m (No. 12) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.71 |
Applications
Where Bi4Br2In2Se8 is used.
Frequently Asked Questions
Common questions about Bi4Br2In2Se8, answered from cross-validated data.
What is Bi4Br2In2Se8?
Bi4Br2In2Se8 is a semiconducting quaternary compound containing bismuth, bromine, indium, and selenium that is considered a viable target for experimental synthesis.
What is Bi4Br2In2Se8 used for?
What is the band gap of Bi4Br2In2Se8?
Is Bi4Br2In2Se8 a metal, semiconductor, or insulator?
Is Bi4Br2In2Se8 thermodynamically stable?
What is the crystal structure of Bi4Br2In2Se8?
What is the density of Bi4Br2In2Se8?
How many polymorphs of Bi4Br2In2Se8 are known?
What elements does Bi4Br2In2Se8 contain?
Where does the data for Bi4Br2In2Se8 come from?
How It Compares
As a relatively unique quaternary phase, Bi4Br2In2Se8 represents an emerging area of study within complex chalcogenide systems, where the integration of halide elements allows for the fine-tuning of electronic properties compared to simpler binary or ternary counterparts.
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).
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