RbTaO3

RbTaO3 is a stable, wide-band-gap insulating oxide compound used in materials research.

ORbTa
Crystal structure of RbTaO3
Ground-state structure · Materials Project
Overview

About RbTaO3

RbTaO3 is a robust, thermodynamically stable oxide that functions as a wide-band-gap insulator. Its structural integrity is well-documented, with numerous configurations identified across materials databases, highlighting its significance in fundamental solid-state research.

As an insulating material, it is primarily investigated for its electronic properties and potential utility in specialized dielectric or optical applications. Its stability on the convex hull makes it a reliable subject for studying phase transitions and structural evolution in complex ternary oxide systems.

At a glance

Key Properties

Cross-validated computational properties for RbTaO3, aggregated across 3 databases.

Band Gap

2.00–4.11 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

18
3 databases, 4 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting RbTaO3.

Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where RbTaO3 is used.

Dielectric materials researchOptical materials developmentSolid-state electronic components
Reference

Frequently Asked Questions

Common questions about RbTaO3, answered from cross-validated data.

What is RbTaO3?

RbTaO3 is a stable, wide-band-gap insulating oxide compound used in materials research.

More questions
What is RbTaO3 used for?
RbTaO3 is used in dielectric materials research, optical materials development, and solid-state electronic components.
What is the band gap of RbTaO3?
RbTaO3 has a DFT-computed band gap of 2.00–4.11 eV across 18 reported structures.
Is RbTaO3 a metal, semiconductor, or insulator?
With a wide band gap up to 4.11 eV it is an insulator / wide-band-gap material.
Is RbTaO3 thermodynamically stable?
Yes — RbTaO3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of RbTaO3 are known?
18 structures of RbTaO3 are reported across 3 databases, spanning 4 distinct space groups.
How is RbTaO3 synthesized?
Literature-reported routes for RbTaO3 include sol gel, solid state (2 procedures documented).
What elements does RbTaO3 contain?
RbTaO3 contains O, Rb, and Ta (3 elements).
Where does the data for RbTaO3 come from?
RbTaO3 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct ternary oxide, RbTaO3 represents a stable configuration within the broader family of alkali metal tantalates, serving as a foundational reference point for researchers exploring the insulating characteristics of this structural class.

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

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