Bi4Cs4Ge4S16
This complex quaternary sulfide is a semiconductor material studied for its unique structural properties and potential optoelectronic capabilities. It belongs to a class of chalcogenide compounds that are investigated for their ability to interact with light and facilitate charge transport in specialized electronic devices.
Key Properties
Cross-validated computational properties for Bi4Cs4Ge4S16, aggregated across 4 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 Bi4Cs4Ge4S16, 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 | 2.00 | 0.0000 | -4.643 | 4.22 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.12 |
| — | — | — | — | — | 3.36 |
Applications
Where Bi4Cs4Ge4S16 is used.
Frequently Asked Questions
Common questions about Bi4Cs4Ge4S16, answered from cross-validated data.
What is Bi4Cs4Ge4S16?
This complex quaternary sulfide is a semiconductor material studied for its unique structural properties and potential optoelectronic capabilities. It belongs to a class of chalcogenide compounds that are investigated for their ability to interact with light and facilitate charge transport in specialized electronic devices.
What is Bi4Cs4Ge4S16 used for?
What is the band gap of Bi4Cs4Ge4S16?
Is Bi4Cs4Ge4S16 a metal, semiconductor, or insulator?
Is Bi4Cs4Ge4S16 thermodynamically stable?
What is the crystal structure of Bi4Cs4Ge4S16?
What is the density of Bi4Cs4Ge4S16?
How many polymorphs of Bi4Cs4Ge4S16 are known?
What elements does Bi4Cs4Ge4S16 contain?
Where does the data for Bi4Cs4Ge4S16 come from?
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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