CaB4O7
calcium tetraborate · calcium borate
Calcium tetraborate is a stable, insulating borate compound primarily utilized in the production of specialized glasses and optical materials.

About calcium tetraborate
Calcium tetraborate is a thermodynamically stable inorganic compound composed of calcium, boron, and oxygen. As a wide-gap insulator, it maintains structural integrity under various conditions, making it a reliable candidate for specialized material synthesis and industrial processing.
Its significance lies in its role as a stable host matrix for various technological applications. The compound is frequently utilized in the development of advanced glass materials and optical components where its insulating nature and chemical robustness provide essential performance advantages.
Key Properties
Cross-validated computational properties for calcium tetraborate, 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.
Applications
Where calcium tetraborate is used.
Frequently Asked Questions
Common questions about calcium tetraborate, answered from cross-validated data.
What is CaB4O7?
Calcium tetraborate is a stable, insulating borate compound primarily utilized in the production of specialized glasses and optical materials.
What is CaB4O7 used for?
What is the band gap of CaB4O7?
Is CaB4O7 a metal, semiconductor, or insulator?
Is CaB4O7 thermodynamically stable?
How many polymorphs of CaB4O7 are known?
What elements does CaB4O7 contain?
Where does the data for CaB4O7 come from?
How It Compares
As a stable member of the borate family, this compound serves as a fundamental building block for structural glass networks. It occupies a distinct position in material science due to its thermodynamic stability and favorable insulating characteristics, which allow it to function effectively in environments where thermal and electrical resistance are critical requirements.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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