Ce2S6Yb2
Ce2S6Yb2 is a thermodynamically stable semimetallic ternary sulfide containing cerium and ytterbium.
About Ce2S6Yb2
Ce2S6Yb2 is a complex ternary sulfide incorporating cerium and ytterbium. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement within its chemical system.
Its electronic character is defined as near-zero-gap, placing it in the semimetallic regime. This electronic behavior makes it an intriguing subject for research into materials that bridge the gap between traditional semiconductors and metallic conductors.
Key Properties
Cross-validated computational properties for Ce2S6Yb2, 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 Ce2S6Yb2, 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 | 0.10 | 0.0000 | -20.685 | 5.87 |
| No. 0 | unknown | — | — | — | 1.50 |
| Cmcm (No. 63) | — | — | — | — | — |
Patent Landscape
1 patent reference Ce2S6Yb2 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 8248032 | Charging system for prioritizing load consumption in a notebook computer | — | — |
Frequently Asked Questions
Common questions about Ce2S6Yb2, answered from cross-validated data.
What is Ce2S6Yb2?
Ce2S6Yb2 is a thermodynamically stable semimetallic ternary sulfide containing cerium and ytterbium.
What is the band gap of Ce2S6Yb2?
Is Ce2S6Yb2 a metal, semiconductor, or insulator?
Is Ce2S6Yb2 thermodynamically stable?
What is the crystal structure of Ce2S6Yb2?
What is the density of Ce2S6Yb2?
How many polymorphs of Ce2S6Yb2 are known?
What elements does Ce2S6Yb2 contain?
Where does the data for Ce2S6Yb2 come from?
How It Compares
As a unique ternary sulfide, Ce2S6Yb2 stands as a distinct crystalline phase within its chemical family, serving as a benchmark for stability in rare-earth chalcogenide systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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