Br4Cu4Te8
Br4Cu4Te8 is a thermodynamically stable, semiconducting inorganic compound composed of bromine, copper, and tellurium.
About Br4Cu4Te8
Br4Cu4Te8 is a complex inorganic compound composed of bromine, copper, and tellurium. As a thermodynamically stable material situated on the convex hull, it represents a robust phase within its chemical system, offering structural integrity for advanced research applications.
This material exhibits semiconducting electronic properties, making it a subject of interest for fundamental studies in solid-state physics. Its existence across multiple reported structures highlights its versatility and the importance of its crystalline arrangement in determining its functional behavior.
Key Properties
Cross-validated computational properties for Br4Cu4Te8, 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 Br4Cu4Te8, 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 | 0.75 | 0.0000 | -3.553 | 5.44 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 5.02 |
| — | — | — | — | — | 5.50 |
| — | — | — | — | — | 5.04 |
Applications
Where Br4Cu4Te8 is used.
Frequently Asked Questions
Common questions about Br4Cu4Te8, answered from cross-validated data.
What is Br4Cu4Te8?
Br4Cu4Te8 is a thermodynamically stable, semiconducting inorganic compound composed of bromine, copper, and tellurium.
What is Br4Cu4Te8 used for?
What is the band gap of Br4Cu4Te8?
Is Br4Cu4Te8 a metal, semiconductor, or insulator?
Is Br4Cu4Te8 thermodynamically stable?
What is the crystal structure of Br4Cu4Te8?
What is the density of Br4Cu4Te8?
How many polymorphs of Br4Cu4Te8 are known?
What elements does Br4Cu4Te8 contain?
Where does the data for Br4Cu4Te8 come from?
How It Compares
As a unique phase within its chemical system, Br4Cu4Te8 serves as a stable reference point for understanding the interplay between copper-telluride frameworks and halide integration, providing a baseline for exploring similar chalcogenide-halide architectures.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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