Cd2Cs2Tb2Te6
Cd2Cs2Tb2Te6 is a thermodynamically stable semiconducting quaternary chalcogenide containing cadmium, cesium, terbium, and tellurium.
About Cd2Cs2Tb2Te6
Cd2Cs2Tb2Te6 is a complex quaternary chalcogenide that exhibits semiconducting electronic behavior. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement within the cadmium-cesium-terbium-tellurium system.
This material is of significant interest for researchers investigating the interplay between rare-earth magnetism and semiconducting properties. Its stability and structural diversity, evidenced by multiple reported configurations, make it a compelling subject for fundamental solid-state studies.
Key Properties
Cross-validated computational properties for Cd2Cs2Tb2Te6, 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 Cd2Cs2Tb2Te6, 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. |
|---|---|---|---|---|---|
| Cmcm (No. 63) | orthorhombic | 1.54 | 0.0000 | -3.946 | 5.53 |
| — | — | — | — | — | 5.56 |
| Cmcm (No. 63) | — | — | — | — | — |
| — | — | — | — | — | 4.60 |
Applications
Where Cd2Cs2Tb2Te6 is used.
Frequently Asked Questions
Common questions about Cd2Cs2Tb2Te6, answered from cross-validated data.
What is Cd2Cs2Tb2Te6?
Cd2Cs2Tb2Te6 is a thermodynamically stable semiconducting quaternary chalcogenide containing cadmium, cesium, terbium, and tellurium.
What is Cd2Cs2Tb2Te6 used for?
What is the band gap of Cd2Cs2Tb2Te6?
Is Cd2Cs2Tb2Te6 a metal, semiconductor, or insulator?
Is Cd2Cs2Tb2Te6 thermodynamically stable?
What is the crystal structure of Cd2Cs2Tb2Te6?
What is the density of Cd2Cs2Tb2Te6?
How many polymorphs of Cd2Cs2Tb2Te6 are known?
What elements does Cd2Cs2Tb2Te6 contain?
Where does the data for Cd2Cs2Tb2Te6 come from?
How It Compares
As a unique quaternary compound, Cd2Cs2Tb2Te6 serves as a specialized example of complex chalcogenide chemistry. Unlike simpler binary or ternary systems, this compound demonstrates the structural complexity achievable when incorporating heavy rare-earth elements into a telluride 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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