PrPO4

praseodymium orthophosphate · praseodymium phosphate

Praseodymium orthophosphate is a stable, insulating crystalline compound used in advanced material research and specialized ceramic applications.

OPPr
Crystal structure of PrPO4
Ground-state structure · Materials Project
Overview

About praseodymium orthophosphate

Praseodymium orthophosphate is a robust, thermodynamically stable inorganic compound that exists as a wide-band-gap insulator. Its structural integrity and electronic properties make it a subject of significant interest in solid-state chemistry, with multiple documented structural phases available for research.

This material is primarily valued for its stability and potential utility in specialized optical and ceramic applications. As a member of the rare-earth phosphate family, it serves as a foundational material for exploring the behavior of lanthanide ions within a crystalline phosphate matrix.

At a glance

Key Properties

Cross-validated computational properties for praseodymium orthophosphate, aggregated across 4 databases.

Band Gap

5.47–5.65 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

8
4 databases, 5 space groups
Uses

Applications

Where praseodymium orthophosphate is used.

phosphor materialscatalysis researchceramic host matricesoptical materials
Reference

Frequently Asked Questions

Common questions about praseodymium orthophosphate, answered from cross-validated data.

What is PrPO4?

Praseodymium orthophosphate is a stable, insulating crystalline compound used in advanced material research and specialized ceramic applications.

More questions
What is PrPO4 used for?
praseodymium orthophosphate (PrPO4) is used in phosphor materials, catalysis research, ceramic host matrices, and optical materials.
What is the band gap of PrPO4?
praseodymium orthophosphate (PrPO4) has a DFT-computed band gap of 5.47–5.65 eV across 8 reported structures.
Is PrPO4 a metal, semiconductor, or insulator?
With a wide band gap up to 5.65 eV it is an insulator / wide-band-gap material.
Is PrPO4 thermodynamically stable?
Yes — praseodymium orthophosphate (PrPO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of PrPO4 are known?
8 structures of PrPO4 are reported across 4 databases, spanning 5 distinct space groups.
What elements does PrPO4 contain?
praseodymium orthophosphate (PrPO4) contains O, P, and Pr (3 elements).
Where does the data for PrPO4 come from?
PrPO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable orthophosphate, PrPO4 represents a reliable structural archetype within the broader class of rare-earth phosphates. It maintains high thermodynamic stability, positioning it as a benchmark material for understanding the structural and electronic evolution of lanthanide-based insulating compounds.

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

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