Ca2TaBiO6

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

Crystal structure of Ca2TaBiO6
Ground-state structure · Materials Project
Overview

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.

At a glance

Key Properties

Cross-validated computational properties for Ca2TaBiO6, aggregated across 3 databases.

Band Gap

1.80 eV
Range across DFT structures

Energy Above Hull

0.089 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

5
3 databases, 1 space group
Uses

Applications

Where Ca2TaBiO6 is used.

Piezoelectric sensorsActuatorsElectronic components
Reference

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.

More questions
What is Ca2TaBiO6 used for?
Ca2TaBiO6 is used in piezoelectric sensors, actuators, and electronic components.
What is the band gap of Ca2TaBiO6?
Ca2TaBiO6 has a DFT-computed band gap of 1.80 eV across 5 reported structures.
Is Ca2TaBiO6 a metal, semiconductor, or insulator?
With a band gap up to 1.80 eV it is a semiconductor.
Is Ca2TaBiO6 thermodynamically stable?
Ca2TaBiO6 has a lowest energy above hull of 0.089 eV/atom (metastable).
How many polymorphs of Ca2TaBiO6 are known?
5 structures of Ca2TaBiO6 are reported across 3 databases, spanning 1 distinct space group.
What elements does Ca2TaBiO6 contain?
Ca2TaBiO6 contains Bi, Ca, O, and Ta (4 elements).
Where does the data for Ca2TaBiO6 come from?
Ca2TaBiO6 data is cross-referenced from latticegraph.
Comparison

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.

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Related Compounds

Other Lead-Free Piezoelectrics in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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