Ho6O12Sc2
This compound is a mixed-metal oxide consisting of holmium, scandium, and oxygen. It belongs to a class of rare-earth oxide materials often studied for their structural properties and potential utility in advanced ceramic applications.
Key Properties
Cross-validated computational properties for Ho6O12Sc2, 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 Ho6O12Sc2, 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. |
|---|---|---|---|---|---|
| R-3 (No. 148) | trigonal | 4.42 | 0.0000 | -9.000 | 7.61 |
| R-3 (No. 148) | — | — | — | — | — |
| — | — | — | — | — | 6.10 |
| — | — | — | — | — | 6.54 |
Applications
Where Ho6O12Sc2 is used.
Frequently Asked Questions
Common questions about Ho6O12Sc2, answered from cross-validated data.
What is Ho6O12Sc2?
This compound is a mixed-metal oxide consisting of holmium, scandium, and oxygen. It belongs to a class of rare-earth oxide materials often studied for their structural properties and potential utility in advanced ceramic applications.
What is Ho6O12Sc2 used for?
What is the band gap of Ho6O12Sc2?
Is Ho6O12Sc2 a metal, semiconductor, or insulator?
Is Ho6O12Sc2 thermodynamically stable?
What is the crystal structure of Ho6O12Sc2?
What is the density of Ho6O12Sc2?
How many polymorphs of Ho6O12Sc2 are known?
What elements does Ho6O12Sc2 contain?
Where does the data for Ho6O12Sc2 come from?
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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