SrGeO3
SrGeO3 is a stable, insulating germanate compound characterized by its diverse structural arrangements.
About SrGeO3
SrGeO3 is a thermodynamically stable inorganic compound that exists as a wide-gap insulator. Its position on the convex hull indicates high stability, making it a robust candidate for fundamental research into complex oxide systems.
With numerous reported structures across multiple databases, this material is a well-documented subject for structural analysis. It serves as a valuable model for understanding the coordination chemistry of germanium within alkaline earth oxide frameworks.
Key Properties
Cross-validated computational properties for SrGeO3, 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 SrGeO3, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 3.42 | 0.0000 | -6.975 | 4.32 |
| P-1 (No. 2) | triclinic | 3.34 | 0.0019 | -6.973 | 4.60 |
| P-62m (No. 189) | hexagonal | 3.00 | 0.1127 | -6.862 | 4.17 |
| Pm-3m (No. 221) | cubic | 0.00 | 0.1500 | -6.825 | 6.03 |
| Pm-3m (No. 221) | Cubic | — | — | — | 6.03 |
| P-62m (No. 189) | Hexagonal | — | — | — | 4.39 |
| P-62m (No. 189) | Hexagonal | — | — | — | 4.17 |
| P-62m (No. 189) | Hexagonal | — | — | — | 4.27 |
| Pm-3m (No. 221) | Cubic | — | — | — | 6.26 |
| P-62m (No. 189) | — | — | — | — | — |
| Pm-3m (No. 221) | Cubic | — | — | — | 6.48 |
| C2/c (No. 15) | Monoclinic | — | — | — | 4.27 |
Applications
Where SrGeO3 is used.
Frequently Asked Questions
Common questions about SrGeO3, answered from cross-validated data.
What is SrGeO3?
SrGeO3 is a stable, insulating germanate compound characterized by its diverse structural arrangements.
What is SrGeO3 used for?
What is the band gap of SrGeO3?
Is SrGeO3 a metal, semiconductor, or insulator?
Is SrGeO3 thermodynamically stable?
What is the crystal structure of SrGeO3?
What is the density of SrGeO3?
How many polymorphs of SrGeO3 are known?
What elements does SrGeO3 contain?
Where does the data for SrGeO3 come from?
How It Compares
As a stable germanate, SrGeO3 represents a foundational example of this structural class. Its insulating electronic character and thermodynamic resilience distinguish it as a reliable reference point for investigating the behavior of germanium-based oxides in various synthetic environments.
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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