Ce2O6Sr2
Strontium cerate · Sr2Ce2O6, Strontium cerium oxide
Strontium cerate is a mixed metal oxide ceramic material known for its ionic conductivity properties. It is primarily investigated for its potential as a solid electrolyte component in electrochemical devices.
CeOSr
Overview
Key Properties
Cross-validated computational properties for Strontium cerate, 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.
2.28 eV
Range across DFT structures
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.
0.009 eV/atom
Best (lowest) across sources
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.
Near hull (likely stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
13
3 databases, 5 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for Ce2O6Sr2, 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 | 2.28 | 0.0085 | -8.109 | 5.74 |
| — | — | — | — | — | 5.54 |
| R-3 (No. 148) | — | — | — | — | — |
| — | — | — | — | — | 5.58 |
| R-3c (No. 167) | — | — | — | — | — |
| R3c (No. 161) | — | — | — | — | — |
| I4/mcm (No. 140) | — | — | — | — | — |
| I4/mcm (No. 140) | — | — | — | — | — |
| R-3 (No. 148) | — | — | — | — | — |
| R-3c (No. 167) | — | — | — | — | — |
| R3c (No. 161) | — | — | — | — | — |
| R3c (No. 161) | — | — | — | — | — |
Uses
Applications
Where Strontium cerate is used.
Solid oxide fuel cellsGas sensorsCatalysis research
Reference
Frequently Asked Questions
Common questions about Strontium cerate, answered from cross-validated data.
What is Ce2O6Sr2?
Strontium cerate is a mixed metal oxide ceramic material known for its ionic conductivity properties. It is primarily investigated for its potential as a solid electrolyte component in electrochemical devices.
More questions
What is Ce2O6Sr2 used for?
Strontium cerate (Ce2O6Sr2) is used in solid oxide fuel cells, gas sensors, and catalysis research.
What is the band gap of Ce2O6Sr2?
Strontium cerate (Ce2O6Sr2) has a DFT-computed band gap of 2.28 eV across 13 reported structures.
Is Ce2O6Sr2 a metal, semiconductor, or insulator?
With a band gap up to 2.28 eV it is a semiconductor.
Is Ce2O6Sr2 thermodynamically stable?
Strontium cerate (Ce2O6Sr2) has a lowest energy above hull of 0.009 eV/atom (near hull (likely stable)).
What is the crystal structure of Ce2O6Sr2?
The lowest-energy reported polymorph of Strontium cerate (Ce2O6Sr2) is orthorhombic symmetry, space group Pnma (No. 62).
What is the density of Ce2O6Sr2?
The computed density of the ground-state structure of Strontium cerate (Ce2O6Sr2) is 5.74 g/cm³.
How many polymorphs of Ce2O6Sr2 are known?
13 structures of Ce2O6Sr2 are reported across 3 databases, spanning 5 distinct space groups.
What elements does Ce2O6Sr2 contain?
Strontium cerate (Ce2O6Sr2) contains Ce, O, and Sr (3 elements).
Where does the data for Ce2O6Sr2 come from?
Ce2O6Sr2 data is cross-referenced from materials_project, omat24, aflow.
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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