TaSiAs — Properties & Data | MatWorld

TaSiAs

ceramic

· JVASP-15506· TaSiAs

TaSiAs is a ternary ceramic compound combining tantalum, silicon, and arsenic elements, belonging to the refractory ceramic family. This material is primarily of research and developmental interest rather than established commercial use, with potential applications in high-temperature structural components, semiconductor devices, and extreme-environment applications where the combined properties of tantalum's refractory character and silicon-based ceramic stability may be exploited. Engineers would consider TaSiAs in specialized contexts requiring materials that can withstand severe thermal or corrosive conditions, though availability and processing maturity remain limited compared to conventional refractory ceramics.

High-temperature structural ceramicsResearch and developmentRefractory applicationsSemiconductor substrate materialsExtreme-environment componentsAdvanced ceramic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	155.4	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	101.2	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	9.503	kg/m³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000316	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000408	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-2.737	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-0.4233	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4459	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.

TaSiAs

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental