SrBO2
SrBO2 is a thermodynamically stable, insulating strontium borate oxide used in advanced materials research.
About SrBO2
SrBO2 is a thermodynamically stable oxide compound composed of strontium, boron, and oxygen. As a wide-gap insulator, it exhibits robust electronic properties that make it a subject of interest for fundamental materials research. Its position on the convex hull confirms its inherent stability under standard conditions. The material has been documented across multiple structural configurations, highlighting its versatility in solid-state chemistry. These characteristics suggest potential utility in specialized dielectric or optical applications where stable, insulating performance is required. Ongoing research into its structural diversity continues to provide insights into the behavior of strontium-based borates.
Key Properties
Cross-validated computational properties for SrBO2, 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 SrBO2, 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. |
|---|---|---|---|---|---|
| Pbcn (No. 60) | orthorhombic | 4.95 | 0.0000 | -8.101 | 4.40 |
| Pa-3 (No. 205) | cubic | 6.40 | 0.0345 | -8.066 | 5.80 |
| Cm (No. 8) | Monoclinic | — | — | — | 2.30 |
| Cm (No. 8) | Monoclinic | — | — | — | 3.08 |
| Cm (No. 8) | Monoclinic | — | — | — | 3.60 |
| No. 0 | unknown | — | — | — | 0.78 |
Applications
Where SrBO2 is used.
Frequently Asked Questions
Common questions about SrBO2, answered from cross-validated data.
What is SrBO2?
SrBO2 is a thermodynamically stable, insulating strontium borate oxide used in advanced materials research.
What is SrBO2 used for?
What is the band gap of SrBO2?
Is SrBO2 a metal, semiconductor, or insulator?
Is SrBO2 thermodynamically stable?
What is the crystal structure of SrBO2?
What is the density of SrBO2?
How many polymorphs of SrBO2 are known?
What elements does SrBO2 contain?
Where does the data for SrBO2 come from?
How It Compares
As a member of the strontium borate family, SrBO2 stands out for its thermodynamic stability and well-defined insulating character. While many complex oxides in this class are explored for their specific structural motifs, this compound is distinguished by its presence on the convex hull, indicating a highly favorable energetic state that supports its structural integrity.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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