ScAuO2

ceramic

· ScAuO2

ScAuO2 is an experimental ceramic compound combining scandium, gold, and oxygen, representing a rare hybrid material that bridges traditional oxide ceramics with precious metal chemistry. This material family is primarily investigated in research contexts for high-performance applications requiring exceptional stiffness and thermal stability, with potential relevance in aerospace, electronic device packaging, and advanced sensor systems where the unique combination of scandium's lightweight character and gold's chemical nobility offers advantages over conventional structural ceramics.

Aerospace thermal barriersElectronic packaging (research)High-stiffness compositesChemical sensor substratesExperimental structural ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	21,939.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3700	-	DFT · OptB88vdW
Shear Modulus(G)	7,652.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2935	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.915	eV	DFT · OptB88vdW
↳	2.873	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	16.18	-	DFT · OptB88vdW
↳	15.27	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.590	-	DFT · OptB88vdW
↳	5.310	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	1.120	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.083	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00448	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00390	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-314.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	342.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	6.140	%	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00810	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.413	eV/atom	DFT · OptB88vdW

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.

ScAuO2 — Properties & Data | MatWorld

ScAuO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental