SrPbO3
SrPbO3 is a thermodynamically stable semiconducting oxide containing strontium, lead, and oxygen.
About SrPbO3
SrPbO3 is a thermodynamically stable inorganic compound composed of strontium, lead, and oxygen. As a member of the oxide family, it exhibits semiconducting electronic characteristics that make it an interesting subject for materials science investigations into charge transport and electronic structure.
Its position on the convex hull indicates high thermodynamic stability, suggesting it is a robust candidate for experimental synthesis and characterization. Researchers study this material to better understand the interplay between its heavy metal constituents and oxygen coordination in solid-state systems.
Key Properties
Cross-validated computational properties for SrPbO3, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of SrPbO3. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Reported Structures
Lowest-energy structures reported for SrPbO3, 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 | 0.85 | 0.0000 | -1.933 | — |
| Pnma (No. 62) | orthorhombic | 0.79 | 0.0000 | -6.205 | 7.67 |
| — | — | 1.63 | 0.0007 | -1.994 | — |
| — | — | 1.04 | 0.0045 | -1.990 | — |
| — | — | 0.75 | 0.0197 | -1.975 | — |
| — | — | 0.75 | 0.0254 | -1.969 | — |
| — | — | 0.90 | 0.0289 | -1.966 | — |
| — | — | 0.45 | 0.0449 | -1.950 | — |
| — | — | 0.45 | 0.0470 | -1.948 | — |
| — | — | 0.45 | 0.0553 | -1.939 | — |
| — | — | 1.19 | 0.0649 | -1.930 | — |
| — | — | 0.00 | 0.1237 | -1.871 | — |
Synthesis Routes
Literature-extracted synthesis procedures targeting SrPbO3.
Applications
Where SrPbO3 is used.
Frequently Asked Questions
Common questions about SrPbO3, answered from cross-validated data.
What is SrPbO3?
SrPbO3 is a thermodynamically stable semiconducting oxide containing strontium, lead, and oxygen.
What is SrPbO3 used for?
What is the band gap of SrPbO3?
Is SrPbO3 a metal, semiconductor, or insulator?
Is SrPbO3 thermodynamically stable?
What is the crystal structure of SrPbO3?
How many polymorphs of SrPbO3 are known?
How is SrPbO3 synthesized?
What elements does SrPbO3 contain?
Where does the data for SrPbO3 come from?
How It Compares
As a distinct oxide phase, SrPbO3 represents a unique structural arrangement within the broader landscape of strontium-lead-oxygen compounds, serving as a stable benchmark for studying semiconducting behavior in complex perovskite-related lattices.
Data sources & attribution
- jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
- materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
- oqmd — Data from the OQMD (oqmd.org). Cite: Saal et al., JOM 65, 1501 (2013); Kirklin et al., npj Comp. Mater. 1, 15010 (2015). (CC-BY-4.0)
- cod — Data from the Crystallography Open Database (crystallography.net/cod/). Cite: Grazulis et al., J. Appl. Cryst. 42, 726 (2009). (CC0-1.0)
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