Au2O3

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
PropertyValueUnitConditionsSource
Bulk Modulus(K)3 entries
11,799
ksi
11,795.8
ksi
15,858.4
ksi
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
1.520
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
ksi
Poisson's Ratio(ν)2 entries
0.2960
-
0.3100
-
Shear Modulus(G)3 entries
5,565.5
ksi
5,542.3
ksi
6,745.7
ksi
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.3924
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
0.000
eV
0.9730
eV
Dielectric Constant (Relative Permittivity)(εr)2 entries
12.81
-
9.415
range 8.913–9.916median of 2 measurements
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)2 entries
0.3059
C/m²
0.2324
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
-296.2
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)3 entries
0.5300
eV/atom
-0.00705
eV/atom
-0.1764
eV/atom
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.
Verified Unverified Low confidence (<80%) Link to source

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.