Lu2Si2O7

Lutetium pyrosilicate · LPS

Lutetium pyrosilicate is a stable, insulating silicate compound widely used as a high-performance scintillator material in medical imaging and radiation detection.

LuOSi
Crystal structure of Lu2Si2O7
Ground-state structure · Materials Project
Overview

About Lutetium pyrosilicate

Lutetium pyrosilicate is a robust inorganic compound characterized by its insulating electronic nature and high thermodynamic stability. As a member of the rare-earth silicate family, it is prized for its structural integrity and chemical durability under demanding conditions. Its ability to host luminescent centers makes it a critical material for advanced sensing technologies. By maintaining a stable phase, this compound ensures consistent performance in environments where thermal or chemical degradation would compromise other materials. It is primarily utilized in the development of high-performance scintillators for medical imaging and industrial inspection systems.

At a glance

Key Properties

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

Band Gap

4.84–5.20 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

5
2 databases, 3 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Lu2Si2O7.

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
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Lutetium pyrosilicate is used.

Scintillation detectorsPositron emission tomographyHigh-energy physics researchIndustrial non-destructive testing
Reference

Frequently Asked Questions

Common questions about Lutetium pyrosilicate, answered from cross-validated data.

What is Lu2Si2O7?

Lutetium pyrosilicate is a stable, insulating silicate compound widely used as a high-performance scintillator material in medical imaging and radiation detection.

More questions
What is Lu2Si2O7 used for?
Lutetium pyrosilicate (Lu2Si2O7) is used in scintillation detectors, positron emission tomography, high-energy physics research, and industrial non-destructive testing.
What is the band gap of Lu2Si2O7?
Lutetium pyrosilicate (Lu2Si2O7) has a DFT-computed band gap of 4.84–5.20 eV across 5 reported structures.
Is Lu2Si2O7 a metal, semiconductor, or insulator?
With a wide band gap up to 5.20 eV it is an insulator / wide-band-gap material.
Is Lu2Si2O7 thermodynamically stable?
Yes — Lutetium pyrosilicate (Lu2Si2O7) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Lu2Si2O7 are known?
5 structures of Lu2Si2O7 are reported across 2 databases, spanning 3 distinct space groups.
How is Lu2Si2O7 synthesized?
Literature-reported routes for Lu2Si2O7 include sol gel, solid state (6 procedures documented).
What elements does Lu2Si2O7 contain?
Lutetium pyrosilicate (Lu2Si2O7) contains Lu, O, and Si (3 elements).
Where does the data for Lu2Si2O7 come from?
Lu2Si2O7 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a prominent member of the rare-earth pyrosilicate class, this compound is distinguished by its excellent physical stability and favorable optical properties. It serves as a benchmark for the group, offering a reliable framework for applications that require both high density and efficient light output, setting a high standard for performance within its chemical family.

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

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