K2Ti4O9

K2Ti4O9 is an insulating perovskite oxide that exists in a thermodynamically stable state suitable for experimental synthesis.

Crystal structure of K2Ti4O9
Ground-state structure · Materials Project
Overview

About K2Ti4O9

K2Ti4O9 is a complex oxide within the perovskite-related family, characterized by its wide-gap insulating electronic profile. Its structural arrangement reflects a delicate balance of potassium and titanium coordination, positioning it as a significant candidate for materials research.

As a near-hull material, it is considered thermodynamically accessible for synthesis. This stability makes it a subject of interest for researchers investigating new oxide frameworks that can be tailored for specific electronic or electrochemical functions.

At a glance

Key Properties

Cross-validated computational properties for K2Ti4O9, aggregated across 2 databases.

Band Gap

3.02 eV
Range across DFT structures

Energy Above Hull

0.002 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
1 DFT source

Structures

4
2 databases, 1 space group
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting K2Ti4O9.

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

Applications

Where K2Ti4O9 is used.

Dielectric materials researchCatalytic support structuresSolid-state ionics
Reference

Frequently Asked Questions

Common questions about K2Ti4O9, answered from cross-validated data.

What is K2Ti4O9?

K2Ti4O9 is an insulating perovskite oxide that exists in a thermodynamically stable state suitable for experimental synthesis.

More questions
What is K2Ti4O9 used for?
K2Ti4O9 is used in dielectric materials research, catalytic support structures, and solid-state ionics.
What is the band gap of K2Ti4O9?
K2Ti4O9 has a DFT-computed band gap of 3.02 eV across 4 reported structures.
Is K2Ti4O9 a metal, semiconductor, or insulator?
With a wide band gap up to 3.02 eV it is an insulator / wide-band-gap material.
Is K2Ti4O9 thermodynamically stable?
K2Ti4O9 has a lowest energy above hull of 0.002 eV/atom (near hull (likely stable)).
How many polymorphs of K2Ti4O9 are known?
4 structures of K2Ti4O9 are reported across 2 databases, spanning 1 distinct space group.
How is K2Ti4O9 synthesized?
Literature-reported routes for K2Ti4O9 include sol gel, solid state (10 procedures documented).
What elements does K2Ti4O9 contain?
K2Ti4O9 contains K, O, and Ti (3 elements).
Where does the data for K2Ti4O9 come from?
K2Ti4O9 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the perovskite oxides class.

Unlike the highly conductive or magnetic members of the perovskite class such as LaNiO3 or LaMnO3, K2Ti4O9 functions primarily as a wide-gap insulator. While many of its siblings like BaTiO3 are celebrated for their ferroelectric properties, this compound offers a distinct structural chemistry that differentiates it from the more commonly studied transition metal perovskites.

Explore

Related Compounds

Other Perovskite Oxides in the database.

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

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