Cs2Dy2Te6Zn2
Cs2Dy2Te6Zn2 is a stable, semiconducting quaternary chalcogenide compound containing cesium, dysprosium, tellurium, and zinc.
About Cs2Dy2Te6Zn2
Cs2Dy2Te6Zn2 is a complex quaternary chalcogenide that exhibits semiconducting electronic behavior. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement of cesium, dysprosium, tellurium, and zinc atoms.
This material is of significant interest in materials science due to its structural complexity and stability. Its unique composition makes it a candidate for specialized electronic and optoelectronic applications where stable, narrow-to-moderate gap semiconducting behavior is required.
Key Properties
Cross-validated computational properties for Cs2Dy2Te6Zn2, 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 Cs2Dy2Te6Zn2, 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 | 1.37 | 0.0000 | -4.007 | 5.59 |
| — | — | — | — | — | 5.29 |
| Cmcm (No. 63) | — | — | — | — | — |
| — | — | — | — | — | 5.29 |
Applications
Where Cs2Dy2Te6Zn2 is used.
Frequently Asked Questions
Common questions about Cs2Dy2Te6Zn2, answered from cross-validated data.
What is Cs2Dy2Te6Zn2?
Cs2Dy2Te6Zn2 is a stable, semiconducting quaternary chalcogenide compound containing cesium, dysprosium, tellurium, and zinc.
What is Cs2Dy2Te6Zn2 used for?
What is the band gap of Cs2Dy2Te6Zn2?
Is Cs2Dy2Te6Zn2 a metal, semiconductor, or insulator?
Is Cs2Dy2Te6Zn2 thermodynamically stable?
What is the crystal structure of Cs2Dy2Te6Zn2?
What is the density of Cs2Dy2Te6Zn2?
How many polymorphs of Cs2Dy2Te6Zn2 are known?
What elements does Cs2Dy2Te6Zn2 contain?
Where does the data for Cs2Dy2Te6Zn2 come from?
How It Compares
As a quaternary chalcogenide, this compound occupies a distinct niche in materials chemistry. While it lacks direct siblings in this specific dataset, it serves as a representative example of how heavy rare-earth elements can be integrated into stable, complex semiconducting frameworks.
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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