Bi4Ca4O8
Bi4Ca4O8 is a thermodynamically stable semiconducting bismuth calcium oxide used in materials science research.
About Bi4Ca4O8
Bi4Ca4O8 is a complex oxide composed of bismuth, calcium, and oxygen. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement within its chemical system, offering a reliable foundation for materials design and synthesis. Its electronic character as a semiconductor makes it a subject of interest for researchers investigating charge transport and optoelectronic properties in bismuth-based ceramics. The compound is characterized by significant structural diversity, with numerous reported configurations that highlight its flexible coordination environment and potential for fine-tuning physical properties through structural modification. This makes it a compelling candidate for fundamental studies in solid-state chemistry.
Key Properties
Cross-validated computational properties for Bi4Ca4O8, 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.
Applications
Where Bi4Ca4O8 is used.
Frequently Asked Questions
Common questions about Bi4Ca4O8, answered from cross-validated data.
What is Bi4Ca4O8?
Bi4Ca4O8 is a thermodynamically stable semiconducting bismuth calcium oxide used in materials science research.
What is Bi4Ca4O8 used for?
What is the band gap of Bi4Ca4O8?
Is Bi4Ca4O8 a metal, semiconductor, or insulator?
Is Bi4Ca4O8 thermodynamically stable?
How many polymorphs of Bi4Ca4O8 are known?
What elements does Bi4Ca4O8 contain?
Where does the data for Bi4Ca4O8 come from?
How It Compares
As a thermodynamically stable oxide, Bi4Ca4O8 serves as a benchmark for stability within its specific chemical system. While it currently lacks direct structural siblings in this context, its position on the convex hull suggests it is a preferred phase that provides a critical reference point for understanding the energetic landscape of bismuth-calcium-oxygen compounds.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze Bi4Ca4O8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →