Sr3CaO4
Sr3CaO4 is a metastable, wide-band-gap insulating oxide composed of strontium, calcium, and oxygen.
About Sr3CaO4
Sr3CaO4 is an insulating oxide characterized by a wide electronic band gap. As a complex alkaline earth compound, it represents a niche structural arrangement within the broader family of calcium-strontium oxides, reflecting the intricate interplay between its constituent cations and oxygen coordination. Being classified as metastable, this material presents unique challenges and opportunities for synthesis and phase control in solid-state chemistry. Its existence across multiple structural databases highlights its significance as a subject of ongoing theoretical and experimental investigation into the stability of complex oxide lattices. While its practical utility is still being defined, its electronic profile suggests potential applications in dielectric or optical research where wide-gap insulators are required.
Key Properties
Cross-validated computational properties for Sr3CaO4, 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.
Frequently Asked Questions
Common questions about Sr3CaO4, answered from cross-validated data.
What is Sr3CaO4?
Sr3CaO4 is a metastable, wide-band-gap insulating oxide composed of strontium, calcium, and oxygen.
What is the band gap of Sr3CaO4?
Is Sr3CaO4 a metal, semiconductor, or insulator?
Is Sr3CaO4 thermodynamically stable?
How many polymorphs of Sr3CaO4 are known?
What elements does Sr3CaO4 contain?
Where does the data for Sr3CaO4 come from?
How It Compares
As a member of the alkaline earth oxide family, Sr3CaO4 occupies a specialized position due to its metastable nature and specific stoichiometry. Unlike more common, highly stable binary oxides, this compound serves as a critical case study for understanding how complex cation ordering influences the thermodynamic landscape of multi-element oxide systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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