SrAuO2

Strontium gold oxide is a ternary inorganic compound characterized by its unique crystalline structure involving gold and strontium atoms. It is primarily studied in academic research for its electronic properties and potential as a precursor in the synthesis of specialized functional materials.

AuOSr
Crystal structure of SrAuO2 (tetragonal, I41/a (No. 88))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for SrAuO2, aggregated across 3 databases.

Band Gap

1.24–1.44 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

6
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for SrAuO2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
I41/a (No. 88)tetragonal1.240.0000-5.4829.32
C2/m (No. 12)monoclinic1.440.0318-5.5798.02
C2/m (No. 12)
C2/m (No. 12)Monoclinic8.02
C2/m (No. 12)Monoclinic8.49
C2/m (No. 12)Monoclinic8.27
Uses

Applications

Where SrAuO2 is used.

Solid-state chemistry researchMaterials science explorationPrecursor for advanced electronic materials
Reference

Frequently Asked Questions

Common questions about SrAuO2, answered from cross-validated data.

What is SrAuO2?

Strontium gold oxide is a ternary inorganic compound characterized by its unique crystalline structure involving gold and strontium atoms. It is primarily studied in academic research for its electronic properties and potential as a precursor in the synthesis of specialized functional materials.

More questions
What is SrAuO2 used for?
SrAuO2 is used in solid-state chemistry research, materials science exploration, and precursor for advanced electronic materials.
What is the band gap of SrAuO2?
SrAuO2 has a DFT-computed band gap of 1.24–1.44 eV across 6 reported structures.
Is SrAuO2 a metal, semiconductor, or insulator?
With a band gap up to 1.44 eV it is a semiconductor.
Is SrAuO2 thermodynamically stable?
Yes — SrAuO2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of SrAuO2?
The lowest-energy reported polymorph of SrAuO2 is tetragonal symmetry, space group I41/a (No. 88).
What is the density of SrAuO2?
The computed density of the ground-state structure of SrAuO2 is 9.32 g/cm³.
How many polymorphs of SrAuO2 are known?
6 structures of SrAuO2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does SrAuO2 contain?
SrAuO2 contains Au, O, and Sr (3 elements).
Where does the data for SrAuO2 come from?
SrAuO2 data is cross-referenced from materials_project, jarvis, mpaloe.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • mpaloe — Data from mpaloe.

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