SrYCoO4
SrYCoO4 is a metastable semiconducting quaternary oxide used primarily in experimental solid-state research.
About SrYCoO4
SrYCoO4 is a complex quaternary oxide composed of strontium, yttrium, cobalt, and oxygen. As a semiconducting material, it exhibits unique electronic characteristics that make it a subject of interest for researchers investigating transition metal oxides with specific structural arrangements. Its metastable nature suggests that its synthesis and phase stability are highly sensitive to processing conditions, requiring precise control during material fabrication. This compound is primarily utilized in experimental material science settings where the interplay between its constituent elements is studied to understand complex oxide behavior. Its structural diversity, evidenced by numerous reported configurations, highlights its role as a versatile platform for exploring electronic and magnetic phenomena in solid-state chemistry.
Key Properties
Cross-validated computational properties for SrYCoO4, 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 SrYCoO4, 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. |
|---|---|---|---|---|---|
| Cm (No. 8) | monoclinic | 0.00 | 0.0642 | -7.741 | 5.57 |
| P1 (No. 1) | triclinic | 0.00 | 0.0701 | -7.735 | 5.50 |
| P1 (No. 1) | triclinic | 0.12 | 0.0779 | -7.727 | 5.42 |
| P1 (No. 1) | triclinic | 0.24 | 0.0801 | -7.725 | 5.53 |
| I4mm (No. 107) | tetragonal | 0.75 | 0.0819 | -7.723 | 5.66 |
| I41cd (No. 110) | tetragonal | 0.00 | 0.0905 | -7.714 | 5.58 |
| Cm (No. 8) | monoclinic | 0.00 | 0.0950 | -7.710 | 5.64 |
| Cm (No. 8) | monoclinic | 0.00 | 0.0951 | -7.710 | 5.55 |
| P1 (No. 1) | Triclinic | — | — | — | 5.98 |
| P1 (No. 1) | Triclinic | — | — | — | 5.94 |
| Cm (No. 8) | Monoclinic | — | — | — | 5.64 |
| I4mm (No. 107) | Tetragonal | — | — | — | 6.18 |
Applications
Where SrYCoO4 is used.
Frequently Asked Questions
Common questions about SrYCoO4, answered from cross-validated data.
What is SrYCoO4?
SrYCoO4 is a metastable semiconducting quaternary oxide used primarily in experimental solid-state research.
What is SrYCoO4 used for?
What is the band gap of SrYCoO4?
Is SrYCoO4 a metal, semiconductor, or insulator?
Is SrYCoO4 thermodynamically stable?
What is the crystal structure of SrYCoO4?
What is the density of SrYCoO4?
How many polymorphs of SrYCoO4 are known?
What elements does SrYCoO4 contain?
Where does the data for SrYCoO4 come from?
How It Compares
As an unclassified complex oxide, SrYCoO4 serves as a distinct example of how combining alkaline earth, rare earth, and transition metal elements can lead to metastable semiconducting phases, providing a unique case study for structural research in the absence of more common, highly stable oxide counterparts.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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