Mn2Bi3O7
Mn2Bi3O7 is a metastable semiconducting oxide being researched for its potential as an oxygen-evolution catalyst.
About Mn2Bi3O7
Mn2Bi3O7 is a complex oxide categorized within the oxygen-evolution catalyst class. As a semiconducting material, it represents a specialized composition of manganese, bismuth, and oxygen that is currently under investigation for its catalytic potential in electrochemical systems.
Despite its metastable nature, the compound has attracted interest due to its distinct structural diversity, with multiple reported configurations across materials databases. Its electronic properties make it a subject of study for researchers seeking to optimize catalytic activity in energy conversion applications.
Key Properties
Cross-validated computational properties for Mn2Bi3O7, 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 Mn2Bi3O7, 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. |
|---|---|---|---|---|---|
| P21 (No. 4) | monoclinic | 0.83 | 0.0683 | -7.111 | 8.05 |
| Cm (No. 8) | monoclinic | 1.04 | 0.0722 | -7.107 | 8.03 |
| Cmc21 (No. 36) | orthorhombic | 0.00 | 0.0766 | -7.103 | 8.10 |
| Cm (No. 8) | Monoclinic | — | — | — | 8.03 |
| Cm (No. 8) | Monoclinic | — | — | — | 8.60 |
| Cm (No. 8) | Monoclinic | — | — | — | 8.32 |
| Cmc21 (No. 36) | — | — | — | — | — |
| Cmc21 (No. 36) | — | — | — | — | — |
Applications
Where Mn2Bi3O7 is used.
Frequently Asked Questions
Common questions about Mn2Bi3O7, answered from cross-validated data.
What is Mn2Bi3O7?
Mn2Bi3O7 is a metastable semiconducting oxide being researched for its potential as an oxygen-evolution catalyst.
What is Mn2Bi3O7 used for?
What is the band gap of Mn2Bi3O7?
Is Mn2Bi3O7 a metal, semiconductor, or insulator?
Is Mn2Bi3O7 thermodynamically stable?
What is the crystal structure of Mn2Bi3O7?
What is the density of Mn2Bi3O7?
How many polymorphs of Mn2Bi3O7 are known?
What elements does Mn2Bi3O7 contain?
Where does the data for Mn2Bi3O7 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the broader family of oxygen-evolution catalysts, Mn2Bi3O7 occupies a unique niche compared to more conventional transition metal oxides like NiO or perovskite-structured materials such as LaMnO3. While many of its siblings are highly stable and widely utilized in battery or catalytic technologies, Mn2Bi3O7 stands out as a metastable candidate that offers a different structural framework for exploring charge transfer processes.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
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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