Cd2Ho4S8
Cd2Ho4S8 is a stable, semiconducting sulfide compound composed of cadmium, holmium, and sulfur.
About Cd2Ho4S8
Cd2Ho4S8 is a complex ternary sulfide characterized by its semiconducting electronic nature. As a thermodynamically stable compound residing on the convex hull, it represents a robust structural arrangement of cadmium, holmium, and sulfur atoms that maintains integrity under standard conditions.
This material is of significant interest in solid-state chemistry due to its structural diversity, with multiple reported configurations across various databases. Its specific electronic profile makes it a subject of ongoing investigation for potential applications in specialized optoelectronic or semiconductor technologies.
Key Properties
Cross-validated computational properties for Cd2Ho4S8, 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 Cd2Ho4S8, 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. |
|---|---|---|---|---|---|
| Fd-3m (No. 227) | cubic | 1.12 | 0.0000 | -5.760 | 5.39 |
| Cm (No. 8) | monoclinic | 0.91 | 0.0595 | -5.700 | 5.27 |
| I-4m2 (No. 119) | tetragonal | 0.66 | 0.1305 | -5.629 | 5.69 |
| Imma (No. 74) | orthorhombic | 2.16 | 0.1432 | -5.616 | 5.20 |
| — | — | — | — | — | 5.31 |
| — | — | — | — | — | 5.31 |
| Fd-3m (No. 227) | — | — | — | — | — |
| Fd-3m (No. 227) | — | — | — | — | — |
Applications
Where Cd2Ho4S8 is used.
Frequently Asked Questions
Common questions about Cd2Ho4S8, answered from cross-validated data.
What is Cd2Ho4S8?
Cd2Ho4S8 is a stable, semiconducting sulfide compound composed of cadmium, holmium, and sulfur.
What is Cd2Ho4S8 used for?
What is the band gap of Cd2Ho4S8?
Is Cd2Ho4S8 a metal, semiconductor, or insulator?
Is Cd2Ho4S8 thermodynamically stable?
What is the crystal structure of Cd2Ho4S8?
What is the density of Cd2Ho4S8?
How many polymorphs of Cd2Ho4S8 are known?
What elements does Cd2Ho4S8 contain?
Where does the data for Cd2Ho4S8 come from?
How It Compares
As a unique ternary sulfide, Cd2Ho4S8 serves as a distinct example of complex chalcogenide chemistry. Within the broader landscape of metal sulfides, it stands out for its thermodynamic stability and structural versatility, providing a valuable model for understanding how rare-earth elements like holmium influence the electronic properties of cadmium-based 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).
Analyze Cd2Ho4S8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →