Ba2SiO4

barium orthosilicate · barium silicate

Barium orthosilicate is a stable, insulating ceramic material widely utilized in the development of phosphors and specialized coatings.

BaOSi
Crystal structure of Ba2SiO4
Ground-state structure · Materials Project
Overview

About barium orthosilicate

Barium orthosilicate is a thermodynamically stable inorganic compound characterized by its wide-gap insulating electronic structure. Its composition of barium, silicon, and oxygen allows it to maintain structural integrity under various processing conditions, making it a reliable candidate for high-temperature material science applications.

Due to its stable nature, this silicate is frequently explored for its role in phosphors and advanced ceramic coatings. Its ability to host dopants effectively enables its use in light-emitting technologies where chemical and thermal resilience are essential requirements.

At a glance

Key Properties

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

Band Gap

4.63 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

5
3 databases, 1 space group
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Ba2SiO4.

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 barium orthosilicate is used.

Phosphor host materialsCeramic coatingsDielectric materials
Reference

Frequently Asked Questions

Common questions about barium orthosilicate, answered from cross-validated data.

What is Ba2SiO4?

Barium orthosilicate is a stable, insulating ceramic material widely utilized in the development of phosphors and specialized coatings.

More questions
What is Ba2SiO4 used for?
barium orthosilicate (Ba2SiO4) is used in phosphor host materials, ceramic coatings, and dielectric materials.
What is the band gap of Ba2SiO4?
barium orthosilicate (Ba2SiO4) has a DFT-computed band gap of 4.63 eV across 5 reported structures.
Is Ba2SiO4 a metal, semiconductor, or insulator?
With a wide band gap up to 4.63 eV it is an insulator / wide-band-gap material.
Is Ba2SiO4 thermodynamically stable?
Yes — barium orthosilicate (Ba2SiO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ba2SiO4 are known?
5 structures of Ba2SiO4 are reported across 3 databases, spanning 1 distinct space group.
How is Ba2SiO4 synthesized?
Literature-reported routes for Ba2SiO4 include sol gel, solid state (10 procedures documented).
What elements does Ba2SiO4 contain?
barium orthosilicate (Ba2SiO4) contains Ba, O, and Si (3 elements).
Where does the data for Ba2SiO4 come from?
Ba2SiO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a member of the alkaline earth silicate family, this compound is distinguished by its high thermodynamic stability, which positions it as a foundational material for developing more complex silicate-based systems. It serves as a primary reference point for understanding the structural behavior of orthosilicates in industrial applications.

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

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