SrHfO3

SrHfO3 is a stable, wide-band-gap insulating oxide used in the development of advanced electronic and dielectric materials.

HfOSr
Crystal structure of SrHfO3
Ground-state structure · Materials Project
Overview

About SrHfO3

SrHfO3 is a thermodynamically stable oxide that sits firmly on the convex hull, indicating robust structural integrity. As a wide-band-gap insulator, it exhibits excellent dielectric properties that make it a compelling candidate for high-performance electronic components. Its structural versatility is highlighted by the numerous reported configurations across major materials databases. This material is primarily investigated for its potential to replace conventional gate dielectrics in next-generation semiconductor devices. By leveraging its insulating nature and thermal stability, researchers aim to improve the efficiency and reliability of integrated circuits.

At a glance

Key Properties

Cross-validated computational properties for SrHfO3, aggregated across 3 databases.

Band Gap

3.68–4.17 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

27
3 databases, 7 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting SrHfO3.

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
Uses

Applications

Where SrHfO3 is used.

Gate dielectricsSemiconductor devicesElectronic components
Intellectual Property

Patent Landscape

1 patent reference SrHfO3 or close compositional variants.

PatentTitleAssigneeGranted
11335845High breakdown strength ferroelectric SrHfO3 materials——
Reference

Frequently Asked Questions

Common questions about SrHfO3, answered from cross-validated data.

What is SrHfO3?

SrHfO3 is a stable, wide-band-gap insulating oxide used in the development of advanced electronic and dielectric materials.

More questions
What is SrHfO3 used for?
SrHfO3 is used in gate dielectrics, semiconductor devices, and electronic components.
What is the band gap of SrHfO3?
SrHfO3 has a DFT-computed band gap of 3.68–4.17 eV across 27 reported structures.
Is SrHfO3 a metal, semiconductor, or insulator?
With a wide band gap up to 4.17 eV it is an insulator / wide-band-gap material.
Is SrHfO3 thermodynamically stable?
Yes — SrHfO3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of SrHfO3 are known?
27 structures of SrHfO3 are reported across 3 databases, spanning 7 distinct space groups.
How is SrHfO3 synthesized?
Literature-reported routes for SrHfO3 include sol gel, solid state (4 procedures documented).
What elements does SrHfO3 contain?
SrHfO3 contains Hf, O, and Sr (3 elements).
Where does the data for SrHfO3 come from?
SrHfO3 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone material in this context, SrHfO3 serves as a primary example of a stable, insulating hafnate. It represents a critical baseline for exploring high-k dielectric behavior, providing a stable platform for thin-film growth and integration into complex oxide heterostructures.

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

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