Au2O3 — Properties & Data | MatWorld

Au2O3

Name: Au2O3
Brand: MatWorld

ceramic

· Au2O3

Au2O3 is a gold oxide ceramic compound that exists primarily in research and specialized laboratory contexts rather than as a widely commercialized engineering material. This material combines the chemical stability of a ceramic oxide with the unique properties imparted by its gold constituent, making it of particular interest in materials science investigations of high-density oxides and noble metal ceramics. While not a standard structural ceramic, Au2O3 is studied for potential applications in catalysis, electronic materials, and high-temperature oxidation resistance where its combination of thermal stability and gold's chemical properties may offer advantages over conventional oxide alternatives.

research and developmentcatalytic applicationshigh-temperature oxidation resistanceelectronic materials researchnoble metal ceramicsmaterials characterization studies

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	81.33	GPa	DFT
↳	109.3	GPa	DFT · OptB88vdW
↳	81.35	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	1.520	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3100	-	DFT · OptB88vdW
↳	0.2960	-	DFT · PBE
Shear Modulus(G)3 entries	38.21	GPa	DFT
↳	46.51	GPa	DFT · OptB88vdW
↳	38.37	GPa	DFT · PBE

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	10.86	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.9730	eV	DFT · OptB88vdW
↳	1.384	eV	DFT · TBmBJ
↳	0.000	eV	DFT · PBE
Dielectric Constant (Relative Permittivity)(εr)2 entries	12.81	-	DFT · OptB88vdW
↳	9.415 range 8.913–9.916median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.985	-	DFT · OptB88vdW
↳	8.069	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.150	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.767	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2324	C/m²	DFT · OptB88vdW
↳	0.3059	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00199	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00100	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-296.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	365.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.87	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)3 entries	0.5300	eV/atom	DFT
↳	-0.1764	eV/atom	DFT · OptB88vdW
↳	-0.00705	eV/atom	Measured

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Au2O3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental