Dy8P8S8
Dy8P8S8 is a thermodynamically stable semiconducting compound containing dysprosium, phosphorus, and sulfur.
About Dy8P8S8
Dy8P8S8 is a complex ternary compound composed of dysprosium, phosphorus, and sulfur. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement within its chemical system.
This material exhibits semiconducting electronic character, making it an intriguing candidate for specialized electronic and optoelectronic research. Its unique composition of rare-earth elements combined with pnictogen and chalcogen components suggests potential for tailored physical properties in advanced material design.
Key Properties
Cross-validated computational properties for Dy8P8S8, 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 Dy8P8S8, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 0.34 | 0.0000 | -18.132 | 6.29 |
| Pnma (No. 62) | — | — | — | — | — |
| — | — | — | — | — | 6.27 |
Frequently Asked Questions
Common questions about Dy8P8S8, answered from cross-validated data.
What is Dy8P8S8?
Dy8P8S8 is a thermodynamically stable semiconducting compound containing dysprosium, phosphorus, and sulfur.
What is the band gap of Dy8P8S8?
Is Dy8P8S8 a metal, semiconductor, or insulator?
Is Dy8P8S8 thermodynamically stable?
What is the crystal structure of Dy8P8S8?
What is the density of Dy8P8S8?
How many polymorphs of Dy8P8S8 are known?
What elements does Dy8P8S8 contain?
Where does the data for Dy8P8S8 come from?
How It Compares
As a distinct ternary phase, Dy8P8S8 occupies a unique position in the landscape of rare-earth phosphorus sulfides. Its inherent thermodynamic stability distinguishes it as a reliable structural baseline for exploring the electronic behaviors of this specific chemical family.
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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