Ca2TaBiO6
Ca2TaBiO6 is a metastable, semiconducting complex oxide studied as a lead-free alternative for piezoelectric and electronic device applications.

About Ca2TaBiO6
Ca2TaBiO6 is a complex oxide belonging to the class of lead-free piezoelectrics. As a semiconducting material, it represents a specialized area of research focused on developing environmentally friendly alternatives to traditional lead-based ceramics used in electromechanical applications. Its metastable nature makes it a subject of significant interest for materials scientists studying phase stability and structural transformation. The compound is primarily investigated for its potential in advanced electronic components where specific semiconducting and piezoelectric responses are required. Its unique composition of calcium, tantalum, bismuth, and oxygen allows for nuanced tuning of its physical properties, positioning it as a candidate for high-performance sensing and actuation technologies.
Key Properties
Cross-validated computational properties for Ca2TaBiO6, 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 Ca2TaBiO6 is used.
Frequently Asked Questions
Common questions about Ca2TaBiO6, answered from cross-validated data.
What is Ca2TaBiO6?
Ca2TaBiO6 is a metastable, semiconducting complex oxide studied as a lead-free alternative for piezoelectric and electronic device applications.
What is Ca2TaBiO6 used for?
What is the band gap of Ca2TaBiO6?
Is Ca2TaBiO6 a metal, semiconductor, or insulator?
Is Ca2TaBiO6 thermodynamically stable?
How many polymorphs of Ca2TaBiO6 are known?
What elements does Ca2TaBiO6 contain?
Where does the data for Ca2TaBiO6 come from?
How It Compares
Within the lead-free piezoelectrics class.
Within the diverse landscape of lead-free piezoelectrics, Ca2TaBiO6 occupies a distinct niche compared to well-established members like BaTiO3 or KTaO3. While materials such as BaTiO3 are widely utilized for their robust stability and well-characterized ferroelectric behavior, Ca2TaBiO6 is distinguished by its metastable semiconducting character, which presents different challenges and opportunities for thin-film synthesis and device integration compared to the more conventional perovskite oxides.
Related Compounds
Other Lead-Free Piezoelectrics in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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