Al4Bi4Cl16Te4
Al4Bi4Cl16Te4 is a thermodynamically stable semiconducting compound composed of aluminum, bismuth, chlorine, and tellurium.
About Al4Bi4Cl16Te4
Al4Bi4Cl16Te4 is a complex inorganic compound characterized by its semiconducting electronic nature. As a material that resides on the thermodynamic convex hull, it exhibits notable structural stability, making it a subject of interest for researchers investigating multi-element chalcogenide-halide systems.
Its specific combination of aluminum, bismuth, chlorine, and tellurium allows for a distinct atomic arrangement that differentiates it from simpler binary or ternary systems. This compound is currently studied for its fundamental physical properties and potential utility in specialized electronic or optoelectronic applications.
Key Properties
Cross-validated computational properties for Al4Bi4Cl16Te4, 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 Al4Bi4Cl16Te4, 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. |
|---|---|---|---|---|---|
| I-4 (No. 82) | tetragonal | 2.16 | 0.0000 | -4.133 | 3.61 |
| — | — | — | — | — | 3.48 |
| I-4 (No. 82) | — | — | — | — | — |
Applications
Where Al4Bi4Cl16Te4 is used.
Frequently Asked Questions
Common questions about Al4Bi4Cl16Te4, answered from cross-validated data.
What is Al4Bi4Cl16Te4?
Al4Bi4Cl16Te4 is a thermodynamically stable semiconducting compound composed of aluminum, bismuth, chlorine, and tellurium.
What is Al4Bi4Cl16Te4 used for?
What is the band gap of Al4Bi4Cl16Te4?
Is Al4Bi4Cl16Te4 a metal, semiconductor, or insulator?
Is Al4Bi4Cl16Te4 thermodynamically stable?
What is the crystal structure of Al4Bi4Cl16Te4?
What is the density of Al4Bi4Cl16Te4?
How many polymorphs of Al4Bi4Cl16Te4 are known?
What elements does Al4Bi4Cl16Te4 contain?
Where does the data for Al4Bi4Cl16Te4 come from?
How It Compares
As a unique quaternary system, Al4Bi4Cl16Te4 represents a specialized niche in materials science, standing apart from more common binary semiconductors due to its intricate stoichiometry and stable crystalline framework.
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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