SrB4O7

Strontium tetraborate · SBO

Strontium tetraborate is a stable, insulating borate compound widely utilized for its favorable optical properties in advanced material applications.

BOSr
Crystal structure of SrB4O7
Ground-state structure · Materials Project
Overview

About Strontium tetraborate

Strontium tetraborate is an insulating borate compound characterized by a wide electronic band gap. Its structural integrity and thermodynamic stability near the hull suggest it is a robust candidate for materials synthesis and long-term functional use in demanding environments.

This material is primarily valued for its optical properties, which are derived from its rigid borate framework. As a stable inorganic compound, it serves as a foundational material in the development of specialized optical components and high-performance dielectric systems.

At a glance

Key Properties

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

Band Gap

5.18–7.12 eV
Range across DFT structures

Energy Above Hull

0.007 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

6
3 databases, 2 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting SrB4O7.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Strontium tetraborate is used.

Non-linear optical devicesUV laser technologyDielectric materials
Reference

Frequently Asked Questions

Common questions about Strontium tetraborate, answered from cross-validated data.

What is SrB4O7?

Strontium tetraborate is a stable, insulating borate compound widely utilized for its favorable optical properties in advanced material applications.

More questions
What is SrB4O7 used for?
Strontium tetraborate (SrB4O7) is used in non-linear optical devices, uV laser technology, and dielectric materials.
What is the band gap of SrB4O7?
Strontium tetraborate (SrB4O7) has a DFT-computed band gap of 5.18–7.12 eV across 6 reported structures.
Is SrB4O7 a metal, semiconductor, or insulator?
With a wide band gap up to 7.12 eV it is an insulator / wide-band-gap material.
Is SrB4O7 thermodynamically stable?
Strontium tetraborate (SrB4O7) has a lowest energy above hull of 0.007 eV/atom (near hull (likely stable)).
How many polymorphs of SrB4O7 are known?
6 structures of SrB4O7 are reported across 3 databases, spanning 2 distinct space groups.
How is SrB4O7 synthesized?
Literature-reported routes for SrB4O7 include solid state (3 procedures documented).
What elements does SrB4O7 contain?
Strontium tetraborate (SrB4O7) contains B, O, and Sr (3 elements).
Where does the data for SrB4O7 come from?
SrB4O7 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct member of the strontium borate family, this compound is recognized for its structural stability and insulating nature, positioning it as a reliable material for optical research compared to more volatile or less chemically stable borate phases.

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

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