MgCr4O12
MgCr4O12 is a semiconducting spinel oxide that serves as a complex, metastable material within the broader family of transition metal oxide catalysts.
About MgCr4O12
MgCr4O12 is a semiconducting material categorized within the spinel oxide catalyst family. Its complex structural arrangement, characterized by multiple reported configurations, highlights the intricate coordination chemistry possible within chromium-based oxide systems.
While its thermodynamic profile suggests it exists above the hull, this compound remains a subject of interest for understanding metastable phases in catalytic materials. Its potential utility is tied to its electronic character, which influences its behavior in various chemical environments.
Key Properties
Cross-validated computational properties for MgCr4O12, aggregated across 2 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.
Applications
Where MgCr4O12 is used.
Frequently Asked Questions
Common questions about MgCr4O12, answered from cross-validated data.
What is MgCr4O12?
MgCr4O12 is a semiconducting spinel oxide that serves as a complex, metastable material within the broader family of transition metal oxide catalysts.
What is MgCr4O12 used for?
What is the band gap of MgCr4O12?
Is MgCr4O12 a metal, semiconductor, or insulator?
Is MgCr4O12 thermodynamically stable?
How many polymorphs of MgCr4O12 are known?
What elements does MgCr4O12 contain?
Where does the data for MgCr4O12 come from?
How It Compares
Within the spinel oxide catalysts class.
Unlike the highly stable and widely utilized MgAl2O4, which serves as a benchmark for spinel structural integrity, MgCr4O12 exhibits a more complex and potentially unstable thermodynamic landscape. While simple binary oxides like NiO or ZnO are frequently employed for their robust catalytic performance, MgCr4O12 represents a more specialized, high-order oxide that requires careful synthesis to navigate its metastable nature.
Related Compounds
Other Spinel Oxide Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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